diff --git a/.github/workflows/cluster_endtoend_11.yml b/.github/workflows/cluster_endtoend_11.yml
index a6ad3e6ca96..5ec5d45cc72 100644
--- a/.github/workflows/cluster_endtoend_11.yml
+++ b/.github/workflows/cluster_endtoend_11.yml
@@ -14,6 +14,16 @@ jobs:
       with:
         go-version: 1.15
 
+    - name: Tune the OS
+      run: |
+        echo '1024 65535' | sudo tee -a /proc/sys/net/ipv4/ip_local_port_range
+
+    # TEMPORARY WHILE GITHUB FIXES THIS https://github.com/actions/virtual-environments/issues/3185
+    - name: Add the current IP address, long hostname and short hostname record to /etc/hosts file
+      run: |
+        echo -e "$(ip addr show eth0 | grep "inet\b" | awk '{print $2}' | cut -d/ -f1)\t$(hostname -f) $(hostname -s)" | sudo tee -a /etc/hosts
+    # DON'T FORGET TO REMOVE CODE ABOVE WHEN ISSUE IS ADRESSED!
+
     - name: Check out code
       uses: actions/checkout@v2
 
diff --git a/.github/workflows/cluster_endtoend_12.yml b/.github/workflows/cluster_endtoend_12.yml
index 149e53b5f11..77934b909bd 100644
--- a/.github/workflows/cluster_endtoend_12.yml
+++ b/.github/workflows/cluster_endtoend_12.yml
@@ -14,6 +14,16 @@ jobs:
       with:
         go-version: 1.15
 
+    - name: Tune the OS
+      run: |
+        echo '1024 65535' | sudo tee -a /proc/sys/net/ipv4/ip_local_port_range
+
+    # TEMPORARY WHILE GITHUB FIXES THIS https://github.com/actions/virtual-environments/issues/3185
+    - name: Add the current IP address, long hostname and short hostname record to /etc/hosts file
+      run: |
+        echo -e "$(ip addr show eth0 | grep "inet\b" | awk '{print $2}' | cut -d/ -f1)\t$(hostname -f) $(hostname -s)" | sudo tee -a /etc/hosts
+    # DON'T FORGET TO REMOVE CODE ABOVE WHEN ISSUE IS ADRESSED!
+
     - name: Check out code
       uses: actions/checkout@v2
 
diff --git a/.github/workflows/cluster_endtoend_13.yml b/.github/workflows/cluster_endtoend_13.yml
index ac7145a9d36..c3604cef464 100644
--- a/.github/workflows/cluster_endtoend_13.yml
+++ b/.github/workflows/cluster_endtoend_13.yml
@@ -14,6 +14,16 @@ jobs:
       with:
         go-version: 1.15
 
+    - name: Tune the OS
+      run: |
+        echo '1024 65535' | sudo tee -a /proc/sys/net/ipv4/ip_local_port_range
+
+    # TEMPORARY WHILE GITHUB FIXES THIS https://github.com/actions/virtual-environments/issues/3185
+    - name: Add the current IP address, long hostname and short hostname record to /etc/hosts file
+      run: |
+        echo -e "$(ip addr show eth0 | grep "inet\b" | awk '{print $2}' | cut -d/ -f1)\t$(hostname -f) $(hostname -s)" | sudo tee -a /etc/hosts
+    # DON'T FORGET TO REMOVE CODE ABOVE WHEN ISSUE IS ADRESSED!
+
     - name: Check out code
       uses: actions/checkout@v2
 
diff --git a/.github/workflows/cluster_endtoend_14.yml b/.github/workflows/cluster_endtoend_14.yml
index 54336976900..e5873512672 100644
--- a/.github/workflows/cluster_endtoend_14.yml
+++ b/.github/workflows/cluster_endtoend_14.yml
@@ -14,6 +14,16 @@ jobs:
       with:
         go-version: 1.15
 
+    - name: Tune the OS
+      run: |
+        echo '1024 65535' | sudo tee -a /proc/sys/net/ipv4/ip_local_port_range
+
+    # TEMPORARY WHILE GITHUB FIXES THIS https://github.com/actions/virtual-environments/issues/3185
+    - name: Add the current IP address, long hostname and short hostname record to /etc/hosts file
+      run: |
+        echo -e "$(ip addr show eth0 | grep "inet\b" | awk '{print $2}' | cut -d/ -f1)\t$(hostname -f) $(hostname -s)" | sudo tee -a /etc/hosts
+    # DON'T FORGET TO REMOVE CODE ABOVE WHEN ISSUE IS ADRESSED!
+
     - name: Check out code
       uses: actions/checkout@v2
 
diff --git a/.github/workflows/cluster_endtoend_15.yml b/.github/workflows/cluster_endtoend_15.yml
index fef2846e66b..0661e084b26 100644
--- a/.github/workflows/cluster_endtoend_15.yml
+++ b/.github/workflows/cluster_endtoend_15.yml
@@ -14,6 +14,16 @@ jobs:
       with:
         go-version: 1.15
 
+    - name: Tune the OS
+      run: |
+        echo '1024 65535' | sudo tee -a /proc/sys/net/ipv4/ip_local_port_range
+
+    # TEMPORARY WHILE GITHUB FIXES THIS https://github.com/actions/virtual-environments/issues/3185
+    - name: Add the current IP address, long hostname and short hostname record to /etc/hosts file
+      run: |
+        echo -e "$(ip addr show eth0 | grep "inet\b" | awk '{print $2}' | cut -d/ -f1)\t$(hostname -f) $(hostname -s)" | sudo tee -a /etc/hosts
+    # DON'T FORGET TO REMOVE CODE ABOVE WHEN ISSUE IS ADRESSED!
+
     - name: Check out code
       uses: actions/checkout@v2
 
diff --git a/.github/workflows/cluster_endtoend_16.yml b/.github/workflows/cluster_endtoend_16.yml
index e33dd8e1ea8..a21072bf604 100644
--- a/.github/workflows/cluster_endtoend_16.yml
+++ b/.github/workflows/cluster_endtoend_16.yml
@@ -14,6 +14,16 @@ jobs:
       with:
         go-version: 1.15
 
+    - name: Tune the OS
+      run: |
+        echo '1024 65535' | sudo tee -a /proc/sys/net/ipv4/ip_local_port_range
+
+    # TEMPORARY WHILE GITHUB FIXES THIS https://github.com/actions/virtual-environments/issues/3185
+    - name: Add the current IP address, long hostname and short hostname record to /etc/hosts file
+      run: |
+        echo -e "$(ip addr show eth0 | grep "inet\b" | awk '{print $2}' | cut -d/ -f1)\t$(hostname -f) $(hostname -s)" | sudo tee -a /etc/hosts
+    # DON'T FORGET TO REMOVE CODE ABOVE WHEN ISSUE IS ADRESSED!
+
     - name: Check out code
       uses: actions/checkout@v2
 
diff --git a/.github/workflows/cluster_endtoend_17.yml b/.github/workflows/cluster_endtoend_17.yml
index b4dea05e571..38944c257f1 100644
--- a/.github/workflows/cluster_endtoend_17.yml
+++ b/.github/workflows/cluster_endtoend_17.yml
@@ -14,6 +14,16 @@ jobs:
       with:
         go-version: 1.15
 
+    - name: Tune the OS
+      run: |
+        echo '1024 65535' | sudo tee -a /proc/sys/net/ipv4/ip_local_port_range
+
+    # TEMPORARY WHILE GITHUB FIXES THIS https://github.com/actions/virtual-environments/issues/3185
+    - name: Add the current IP address, long hostname and short hostname record to /etc/hosts file
+      run: |
+        echo -e "$(ip addr show eth0 | grep "inet\b" | awk '{print $2}' | cut -d/ -f1)\t$(hostname -f) $(hostname -s)" | sudo tee -a /etc/hosts
+    # DON'T FORGET TO REMOVE CODE ABOVE WHEN ISSUE IS ADRESSED!
+
     - name: Check out code
       uses: actions/checkout@v2
 
diff --git a/.github/workflows/cluster_endtoend_18.yml b/.github/workflows/cluster_endtoend_18.yml
index 33fa04723eb..85b25419b48 100644
--- a/.github/workflows/cluster_endtoend_18.yml
+++ b/.github/workflows/cluster_endtoend_18.yml
@@ -14,6 +14,16 @@ jobs:
       with:
         go-version: 1.15
 
+    - name: Tune the OS
+      run: |
+        echo '1024 65535' | sudo tee -a /proc/sys/net/ipv4/ip_local_port_range
+
+    # TEMPORARY WHILE GITHUB FIXES THIS https://github.com/actions/virtual-environments/issues/3185
+    - name: Add the current IP address, long hostname and short hostname record to /etc/hosts file
+      run: |
+        echo -e "$(ip addr show eth0 | grep "inet\b" | awk '{print $2}' | cut -d/ -f1)\t$(hostname -f) $(hostname -s)" | sudo tee -a /etc/hosts
+    # DON'T FORGET TO REMOVE CODE ABOVE WHEN ISSUE IS ADRESSED!
+
     - name: Check out code
       uses: actions/checkout@v2
 
diff --git a/.github/workflows/cluster_endtoend_19.yml b/.github/workflows/cluster_endtoend_19.yml
index 2e6458337d7..582b7db0227 100644
--- a/.github/workflows/cluster_endtoend_19.yml
+++ b/.github/workflows/cluster_endtoend_19.yml
@@ -14,6 +14,16 @@ jobs:
       with:
         go-version: 1.15
 
+    - name: Tune the OS
+      run: |
+        echo '1024 65535' | sudo tee -a /proc/sys/net/ipv4/ip_local_port_range
+
+    # TEMPORARY WHILE GITHUB FIXES THIS https://github.com/actions/virtual-environments/issues/3185
+    - name: Add the current IP address, long hostname and short hostname record to /etc/hosts file
+      run: |
+        echo -e "$(ip addr show eth0 | grep "inet\b" | awk '{print $2}' | cut -d/ -f1)\t$(hostname -f) $(hostname -s)" | sudo tee -a /etc/hosts
+    # DON'T FORGET TO REMOVE CODE ABOVE WHEN ISSUE IS ADRESSED!
+
     - name: Check out code
       uses: actions/checkout@v2
 
diff --git a/.github/workflows/cluster_endtoend_20.yml b/.github/workflows/cluster_endtoend_20.yml
index b5e502771a0..d53175a88f3 100644
--- a/.github/workflows/cluster_endtoend_20.yml
+++ b/.github/workflows/cluster_endtoend_20.yml
@@ -14,6 +14,16 @@ jobs:
       with:
         go-version: 1.15
 
+    - name: Tune the OS
+      run: |
+        echo '1024 65535' | sudo tee -a /proc/sys/net/ipv4/ip_local_port_range
+
+    # TEMPORARY WHILE GITHUB FIXES THIS https://github.com/actions/virtual-environments/issues/3185
+    - name: Add the current IP address, long hostname and short hostname record to /etc/hosts file
+      run: |
+        echo -e "$(ip addr show eth0 | grep "inet\b" | awk '{print $2}' | cut -d/ -f1)\t$(hostname -f) $(hostname -s)" | sudo tee -a /etc/hosts
+    # DON'T FORGET TO REMOVE CODE ABOVE WHEN ISSUE IS ADRESSED!
+
     - name: Check out code
       uses: actions/checkout@v2
 
diff --git a/.github/workflows/cluster_endtoend_21.yml b/.github/workflows/cluster_endtoend_21.yml
index 9234fb533df..10f52f04178 100644
--- a/.github/workflows/cluster_endtoend_21.yml
+++ b/.github/workflows/cluster_endtoend_21.yml
@@ -14,6 +14,16 @@ jobs:
       with:
         go-version: 1.15
 
+    - name: Tune the OS
+      run: |
+        echo '1024 65535' | sudo tee -a /proc/sys/net/ipv4/ip_local_port_range
+
+    # TEMPORARY WHILE GITHUB FIXES THIS https://github.com/actions/virtual-environments/issues/3185
+    - name: Add the current IP address, long hostname and short hostname record to /etc/hosts file
+      run: |
+        echo -e "$(ip addr show eth0 | grep "inet\b" | awk '{print $2}' | cut -d/ -f1)\t$(hostname -f) $(hostname -s)" | sudo tee -a /etc/hosts
+    # DON'T FORGET TO REMOVE CODE ABOVE WHEN ISSUE IS ADRESSED!
+
     - name: Check out code
       uses: actions/checkout@v2
 
diff --git a/.github/workflows/cluster_endtoend_22.yml b/.github/workflows/cluster_endtoend_22.yml
index 6aeb60371fc..c1bcb675bae 100644
--- a/.github/workflows/cluster_endtoend_22.yml
+++ b/.github/workflows/cluster_endtoend_22.yml
@@ -14,6 +14,16 @@ jobs:
       with:
         go-version: 1.15
 
+    - name: Tune the OS
+      run: |
+        echo '1024 65535' | sudo tee -a /proc/sys/net/ipv4/ip_local_port_range
+
+    # TEMPORARY WHILE GITHUB FIXES THIS https://github.com/actions/virtual-environments/issues/3185
+    - name: Add the current IP address, long hostname and short hostname record to /etc/hosts file
+      run: |
+        echo -e "$(ip addr show eth0 | grep "inet\b" | awk '{print $2}' | cut -d/ -f1)\t$(hostname -f) $(hostname -s)" | sudo tee -a /etc/hosts
+    # DON'T FORGET TO REMOVE CODE ABOVE WHEN ISSUE IS ADRESSED!
+
     - name: Check out code
       uses: actions/checkout@v2
 
diff --git a/.github/workflows/cluster_endtoend_23.yml b/.github/workflows/cluster_endtoend_23.yml
index b36d852fb59..f7105bc96cd 100644
--- a/.github/workflows/cluster_endtoend_23.yml
+++ b/.github/workflows/cluster_endtoend_23.yml
@@ -14,6 +14,16 @@ jobs:
       with:
         go-version: 1.15
 
+    - name: Tune the OS
+      run: |
+        echo '1024 65535' | sudo tee -a /proc/sys/net/ipv4/ip_local_port_range
+
+    # TEMPORARY WHILE GITHUB FIXES THIS https://github.com/actions/virtual-environments/issues/3185
+    - name: Add the current IP address, long hostname and short hostname record to /etc/hosts file
+      run: |
+        echo -e "$(ip addr show eth0 | grep "inet\b" | awk '{print $2}' | cut -d/ -f1)\t$(hostname -f) $(hostname -s)" | sudo tee -a /etc/hosts
+    # DON'T FORGET TO REMOVE CODE ABOVE WHEN ISSUE IS ADRESSED!
+
     - name: Check out code
       uses: actions/checkout@v2
 
diff --git a/.github/workflows/cluster_endtoend_24.yml b/.github/workflows/cluster_endtoend_24.yml
index 8baea8ff511..ef3eaa00ce8 100644
--- a/.github/workflows/cluster_endtoend_24.yml
+++ b/.github/workflows/cluster_endtoend_24.yml
@@ -14,6 +14,16 @@ jobs:
       with:
         go-version: 1.15
 
+    - name: Tune the OS
+      run: |
+        echo '1024 65535' | sudo tee -a /proc/sys/net/ipv4/ip_local_port_range
+
+    # TEMPORARY WHILE GITHUB FIXES THIS https://github.com/actions/virtual-environments/issues/3185
+    - name: Add the current IP address, long hostname and short hostname record to /etc/hosts file
+      run: |
+        echo -e "$(ip addr show eth0 | grep "inet\b" | awk '{print $2}' | cut -d/ -f1)\t$(hostname -f) $(hostname -s)" | sudo tee -a /etc/hosts
+    # DON'T FORGET TO REMOVE CODE ABOVE WHEN ISSUE IS ADRESSED!
+
     - name: Check out code
       uses: actions/checkout@v2
 
diff --git a/.github/workflows/cluster_endtoend_26.yml b/.github/workflows/cluster_endtoend_26.yml
index 3f6603c7d23..fdee5988cf0 100644
--- a/.github/workflows/cluster_endtoend_26.yml
+++ b/.github/workflows/cluster_endtoend_26.yml
@@ -14,6 +14,16 @@ jobs:
       with:
         go-version: 1.15
 
+    - name: Tune the OS
+      run: |
+        echo '1024 65535' | sudo tee -a /proc/sys/net/ipv4/ip_local_port_range
+
+    # TEMPORARY WHILE GITHUB FIXES THIS https://github.com/actions/virtual-environments/issues/3185
+    - name: Add the current IP address, long hostname and short hostname record to /etc/hosts file
+      run: |
+        echo -e "$(ip addr show eth0 | grep "inet\b" | awk '{print $2}' | cut -d/ -f1)\t$(hostname -f) $(hostname -s)" | sudo tee -a /etc/hosts
+    # DON'T FORGET TO REMOVE CODE ABOVE WHEN ISSUE IS ADRESSED!
+
     - name: Check out code
       uses: actions/checkout@v2
 
diff --git a/.github/workflows/cluster_endtoend_27.yml b/.github/workflows/cluster_endtoend_27.yml
index c7382cf9f2f..dea2e7336b9 100644
--- a/.github/workflows/cluster_endtoend_27.yml
+++ b/.github/workflows/cluster_endtoend_27.yml
@@ -14,6 +14,16 @@ jobs:
       with:
         go-version: 1.15
 
+    - name: Tune the OS
+      run: |
+        echo '1024 65535' | sudo tee -a /proc/sys/net/ipv4/ip_local_port_range
+
+    # TEMPORARY WHILE GITHUB FIXES THIS https://github.com/actions/virtual-environments/issues/3185
+    - name: Add the current IP address, long hostname and short hostname record to /etc/hosts file
+      run: |
+        echo -e "$(ip addr show eth0 | grep "inet\b" | awk '{print $2}' | cut -d/ -f1)\t$(hostname -f) $(hostname -s)" | sudo tee -a /etc/hosts
+    # DON'T FORGET TO REMOVE CODE ABOVE WHEN ISSUE IS ADRESSED!
+
     - name: Check out code
       uses: actions/checkout@v2
 
diff --git a/.github/workflows/cluster_endtoend_onlineddl_declarative.yml b/.github/workflows/cluster_endtoend_onlineddl_declarative.yml
index 284bfb72e9a..3a7381b37f2 100644
--- a/.github/workflows/cluster_endtoend_onlineddl_declarative.yml
+++ b/.github/workflows/cluster_endtoend_onlineddl_declarative.yml
@@ -14,6 +14,16 @@ jobs:
       with:
         go-version: 1.15
 
+    - name: Tune the OS
+      run: |
+        echo '1024 65535' | sudo tee -a /proc/sys/net/ipv4/ip_local_port_range
+
+    # TEMPORARY WHILE GITHUB FIXES THIS https://github.com/actions/virtual-environments/issues/3185
+    - name: Add the current IP address, long hostname and short hostname record to /etc/hosts file
+      run: |
+        echo -e "$(ip addr show eth0 | grep "inet\b" | awk '{print $2}' | cut -d/ -f1)\t$(hostname -f) $(hostname -s)" | sudo tee -a /etc/hosts
+    # DON'T FORGET TO REMOVE CODE ABOVE WHEN ISSUE IS ADRESSED!
+
     - name: Check out code
       uses: actions/checkout@v2
 
diff --git a/.github/workflows/cluster_endtoend_onlineddl_ghost.yml b/.github/workflows/cluster_endtoend_onlineddl_ghost.yml
index c2b9e3edbef..22b049e9347 100644
--- a/.github/workflows/cluster_endtoend_onlineddl_ghost.yml
+++ b/.github/workflows/cluster_endtoend_onlineddl_ghost.yml
@@ -14,6 +14,16 @@ jobs:
       with:
         go-version: 1.15
 
+    - name: Tune the OS
+      run: |
+        echo '1024 65535' | sudo tee -a /proc/sys/net/ipv4/ip_local_port_range
+
+    # TEMPORARY WHILE GITHUB FIXES THIS https://github.com/actions/virtual-environments/issues/3185
+    - name: Add the current IP address, long hostname and short hostname record to /etc/hosts file
+      run: |
+        echo -e "$(ip addr show eth0 | grep "inet\b" | awk '{print $2}' | cut -d/ -f1)\t$(hostname -f) $(hostname -s)" | sudo tee -a /etc/hosts
+    # DON'T FORGET TO REMOVE CODE ABOVE WHEN ISSUE IS ADRESSED!
+
     - name: Check out code
       uses: actions/checkout@v2
 
diff --git a/.github/workflows/cluster_endtoend_onlineddl_revert.yml b/.github/workflows/cluster_endtoend_onlineddl_revert.yml
index 76a94e8ec9d..a6937a9eb85 100644
--- a/.github/workflows/cluster_endtoend_onlineddl_revert.yml
+++ b/.github/workflows/cluster_endtoend_onlineddl_revert.yml
@@ -14,6 +14,16 @@ jobs:
       with:
         go-version: 1.15
 
+    - name: Tune the OS
+      run: |
+        echo '1024 65535' | sudo tee -a /proc/sys/net/ipv4/ip_local_port_range
+
+    # TEMPORARY WHILE GITHUB FIXES THIS https://github.com/actions/virtual-environments/issues/3185
+    - name: Add the current IP address, long hostname and short hostname record to /etc/hosts file
+      run: |
+        echo -e "$(ip addr show eth0 | grep "inet\b" | awk '{print $2}' | cut -d/ -f1)\t$(hostname -f) $(hostname -s)" | sudo tee -a /etc/hosts
+    # DON'T FORGET TO REMOVE CODE ABOVE WHEN ISSUE IS ADRESSED!
+
     - name: Check out code
       uses: actions/checkout@v2
 
diff --git a/.github/workflows/cluster_endtoend_onlineddl_vrepl.yml b/.github/workflows/cluster_endtoend_onlineddl_vrepl.yml
index a9a24072bb9..5bd8a46a61c 100644
--- a/.github/workflows/cluster_endtoend_onlineddl_vrepl.yml
+++ b/.github/workflows/cluster_endtoend_onlineddl_vrepl.yml
@@ -14,6 +14,16 @@ jobs:
       with:
         go-version: 1.15
 
+    - name: Tune the OS
+      run: |
+        echo '1024 65535' | sudo tee -a /proc/sys/net/ipv4/ip_local_port_range
+
+    # TEMPORARY WHILE GITHUB FIXES THIS https://github.com/actions/virtual-environments/issues/3185
+    - name: Add the current IP address, long hostname and short hostname record to /etc/hosts file
+      run: |
+        echo -e "$(ip addr show eth0 | grep "inet\b" | awk '{print $2}' | cut -d/ -f1)\t$(hostname -f) $(hostname -s)" | sudo tee -a /etc/hosts
+    # DON'T FORGET TO REMOVE CODE ABOVE WHEN ISSUE IS ADRESSED!
+
     - name: Check out code
       uses: actions/checkout@v2
 
diff --git a/.github/workflows/cluster_endtoend_onlineddl_vrepl_stress.yml b/.github/workflows/cluster_endtoend_onlineddl_vrepl_stress.yml
index b89c31e4019..56dd0231a4b 100644
--- a/.github/workflows/cluster_endtoend_onlineddl_vrepl_stress.yml
+++ b/.github/workflows/cluster_endtoend_onlineddl_vrepl_stress.yml
@@ -14,6 +14,16 @@ jobs:
       with:
         go-version: 1.15
 
+    - name: Tune the OS
+      run: |
+        echo '1024 65535' | sudo tee -a /proc/sys/net/ipv4/ip_local_port_range
+
+    # TEMPORARY WHILE GITHUB FIXES THIS https://github.com/actions/virtual-environments/issues/3185
+    - name: Add the current IP address, long hostname and short hostname record to /etc/hosts file
+      run: |
+        echo -e "$(ip addr show eth0 | grep "inet\b" | awk '{print $2}' | cut -d/ -f1)\t$(hostname -f) $(hostname -s)" | sudo tee -a /etc/hosts
+    # DON'T FORGET TO REMOVE CODE ABOVE WHEN ISSUE IS ADRESSED!
+
     - name: Check out code
       uses: actions/checkout@v2
 
diff --git a/.github/workflows/cluster_endtoend_tabletmanager_throttler.yml b/.github/workflows/cluster_endtoend_tabletmanager_throttler.yml
index f7c9e7bdd2e..7caa3ccde42 100644
--- a/.github/workflows/cluster_endtoend_tabletmanager_throttler.yml
+++ b/.github/workflows/cluster_endtoend_tabletmanager_throttler.yml
@@ -6,7 +6,7 @@ jobs:
 
   build:
     name: Run endtoend tests on Cluster (tabletmanager_throttler)
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-18.04
 
     steps:
     - name: Set up Go
@@ -14,6 +14,16 @@ jobs:
       with:
         go-version: 1.15
 
+    - name: Tune the OS
+      run: |
+        echo '1024 65535' | sudo tee -a /proc/sys/net/ipv4/ip_local_port_range
+
+    # TEMPORARY WHILE GITHUB FIXES THIS https://github.com/actions/virtual-environments/issues/3185
+    - name: Add the current IP address, long hostname and short hostname record to /etc/hosts file
+      run: |
+        echo -e "$(ip addr show eth0 | grep "inet\b" | awk '{print $2}' | cut -d/ -f1)\t$(hostname -f) $(hostname -s)" | sudo tee -a /etc/hosts
+    # DON'T FORGET TO REMOVE CODE ABOVE WHEN ISSUE IS ADRESSED!
+
     - name: Check out code
       uses: actions/checkout@v2
 
diff --git a/.github/workflows/cluster_endtoend_tabletmanager_throttler_custom_config.yml b/.github/workflows/cluster_endtoend_tabletmanager_throttler_custom_config.yml
index c48d42e5c58..875efbed6da 100644
--- a/.github/workflows/cluster_endtoend_tabletmanager_throttler_custom_config.yml
+++ b/.github/workflows/cluster_endtoend_tabletmanager_throttler_custom_config.yml
@@ -6,7 +6,7 @@ jobs:
 
   build:
     name: Run endtoend tests on Cluster (tabletmanager_throttler_custom_config)
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-18.04
 
     steps:
     - name: Set up Go
@@ -14,6 +14,16 @@ jobs:
       with:
         go-version: 1.15
 
+    - name: Tune the OS
+      run: |
+        echo '1024 65535' | sudo tee -a /proc/sys/net/ipv4/ip_local_port_range
+
+    # TEMPORARY WHILE GITHUB FIXES THIS https://github.com/actions/virtual-environments/issues/3185
+    - name: Add the current IP address, long hostname and short hostname record to /etc/hosts file
+      run: |
+        echo -e "$(ip addr show eth0 | grep "inet\b" | awk '{print $2}' | cut -d/ -f1)\t$(hostname -f) $(hostname -s)" | sudo tee -a /etc/hosts
+    # DON'T FORGET TO REMOVE CODE ABOVE WHEN ISSUE IS ADRESSED!
+
     - name: Check out code
       uses: actions/checkout@v2
 
diff --git a/.github/workflows/cluster_endtoend_upgrade.yml b/.github/workflows/cluster_endtoend_upgrade.yml
index 1017efb3578..85528a34425 100644
--- a/.github/workflows/cluster_endtoend_upgrade.yml
+++ b/.github/workflows/cluster_endtoend_upgrade.yml
@@ -13,15 +13,25 @@ jobs:
       with:
         go-version: 1.15
 
-    - name: Check out v8.0.0
+    - name: Tune the OS
+      run: |
+        echo '1024 65535' | sudo tee -a /proc/sys/net/ipv4/ip_local_port_range
+
+    # TEMPORARY WHILE GITHUB FIXES THIS https://github.com/actions/virtual-environments/issues/3185
+    - name: Add the current IP address, long hostname and short hostname record to /etc/hosts file
+      run: |
+        echo -e "$(ip addr show eth0 | grep "inet\b" | awk '{print $2}' | cut -d/ -f1)\t$(hostname -f) $(hostname -s)" | sudo tee -a /etc/hosts
+    # DON'T FORGET TO REMOVE CODE ABOVE WHEN ISSUE IS ADRESSED!
+
+    - name: Check out v9.0.0
       uses: actions/checkout@v2
       with:
-        ref: v8.0.0
+        ref: v9.0.0
 
     - name: Get dependencies
       run: |
         # This prepares general purpose binary dependencies
-        # as well as v8.0.0 specific go modules
+        # as well as v9.0.0 specific go modules
         sudo apt-get update
         sudo apt-get install -y mysql-server mysql-client make unzip g++ etcd curl git wget eatmydata
         sudo service mysql stop
@@ -36,28 +46,28 @@ jobs:
         sudo apt-get update
         sudo apt-get install percona-xtrabackup-24
 
-    - name: Building v8.0.0 binaries
+    - name: Building v9.0.0 binaries
       timeout-minutes: 10
       run: |
-        # We build v8.0.0 binaries and save them in a temporary location
+        # We build v9.0.0 binaries and save them in a temporary location
         source build.env
         make build
-        mkdir -p /tmp/vitess-build-v8.0.0/
-        cp -R bin /tmp/vitess-build-v8.0.0/
+        mkdir -p /tmp/vitess-build-v9.0.0/
+        cp -R bin /tmp/vitess-build-v9.0.0/
 
     - name: Check out HEAD
       uses: actions/checkout@v2
 
-    - name: Run cluster endtoend test v8.0.0 (create cluster)
+    - name: Run cluster endtoend test v9.0.0 (create cluster)
       timeout-minutes: 5
       run: |
-        # By checking out we deleted bin/ directory. We now restore our pre-built v8.0.0 binaries
-        cp -R /tmp/vitess-build-v8.0.0/bin .
+        # By checking out we deleted bin/ directory. We now restore our pre-built v9.0.0 binaries
+        cp -R /tmp/vitess-build-v9.0.0/bin .
         # create the directory where we store test data; ensure it is empty:
         rm -rf /tmp/vtdataroot
         mkdir -p /tmp/vtdataroot
         source build.env
-        # We pass -skip-build so that we use the v8.0.0 binaries, not HEAD binaries
+        # We pass -skip-build so that we use the v9.0.0 binaries, not HEAD binaries
         eatmydata -- go run test.go -skip-build -keep-data -docker=false -print-log -follow -shard 28
 
     - name: Check out HEAD
@@ -74,7 +84,7 @@ jobs:
         mkdir -p /tmp/vitess-build-head/
         cp -R bin /tmp/vitess-build-head/
 
-    - name: Run cluster endtoend test HEAD based on v8.0.0 data (upgrade path)
+    - name: Run cluster endtoend test HEAD based on v9.0.0 data (upgrade path)
       timeout-minutes: 5
       run: |
         # /tmp/vtdataroot exists from previous test
@@ -95,11 +105,11 @@ jobs:
         eatmydata -- go run test.go -skip-build -keep-data -docker=false -print-log -follow -shard 28
 
 
-    - name: Run cluster endtoend test v8.0.0 based on HEAD data (downgrade path)
+    - name: Run cluster endtoend test v9.0.0 based on HEAD data (downgrade path)
       timeout-minutes: 5
       run: |
         # /tmp/vtdataroot exists from previous test
-        cp -R /tmp/vitess-build-v8.0.0/bin .
+        cp -R /tmp/vitess-build-v9.0.0/bin .
 
         source build.env
         # We again built manually and there's no need for the test to build.
diff --git a/.github/workflows/cluster_endtoend_vreplication_basic.yml b/.github/workflows/cluster_endtoend_vreplication_basic.yml
index 9c3b59123d9..427d8675d06 100644
--- a/.github/workflows/cluster_endtoend_vreplication_basic.yml
+++ b/.github/workflows/cluster_endtoend_vreplication_basic.yml
@@ -14,6 +14,16 @@ jobs:
       with:
         go-version: 1.15
 
+    - name: Tune the OS
+      run: |
+        echo '1024 65535' | sudo tee -a /proc/sys/net/ipv4/ip_local_port_range
+
+    # TEMPORARY WHILE GITHUB FIXES THIS https://github.com/actions/virtual-environments/issues/3185
+    - name: Add the current IP address, long hostname and short hostname record to /etc/hosts file
+      run: |
+        echo -e "$(ip addr show eth0 | grep "inet\b" | awk '{print $2}' | cut -d/ -f1)\t$(hostname -f) $(hostname -s)" | sudo tee -a /etc/hosts
+    # DON'T FORGET TO REMOVE CODE ABOVE WHEN ISSUE IS ADRESSED!
+
     - name: Check out code
       uses: actions/checkout@v2
 
diff --git a/.github/workflows/cluster_endtoend_vreplication_cellalias.yml b/.github/workflows/cluster_endtoend_vreplication_cellalias.yml
index eccae39a07c..efdf95423d6 100644
--- a/.github/workflows/cluster_endtoend_vreplication_cellalias.yml
+++ b/.github/workflows/cluster_endtoend_vreplication_cellalias.yml
@@ -14,6 +14,16 @@ jobs:
       with:
         go-version: 1.15
 
+    - name: Tune the OS
+      run: |
+        echo '1024 65535' | sudo tee -a /proc/sys/net/ipv4/ip_local_port_range
+
+    # TEMPORARY WHILE GITHUB FIXES THIS https://github.com/actions/virtual-environments/issues/3185
+    - name: Add the current IP address, long hostname and short hostname record to /etc/hosts file
+      run: |
+        echo -e "$(ip addr show eth0 | grep "inet\b" | awk '{print $2}' | cut -d/ -f1)\t$(hostname -f) $(hostname -s)" | sudo tee -a /etc/hosts
+    # DON'T FORGET TO REMOVE CODE ABOVE WHEN ISSUE IS ADRESSED!
+
     - name: Check out code
       uses: actions/checkout@v2
 
diff --git a/.github/workflows/cluster_endtoend_vreplication_migrate.yml b/.github/workflows/cluster_endtoend_vreplication_migrate.yml
index b283b13a4a3..1e9f02b0153 100644
--- a/.github/workflows/cluster_endtoend_vreplication_migrate.yml
+++ b/.github/workflows/cluster_endtoend_vreplication_migrate.yml
@@ -14,6 +14,16 @@ jobs:
       with:
         go-version: 1.15
 
+    - name: Tune the OS
+      run: |
+        echo '1024 65535' | sudo tee -a /proc/sys/net/ipv4/ip_local_port_range
+
+    # TEMPORARY WHILE GITHUB FIXES THIS https://github.com/actions/virtual-environments/issues/3185
+    - name: Add the current IP address, long hostname and short hostname record to /etc/hosts file
+      run: |
+        echo -e "$(ip addr show eth0 | grep "inet\b" | awk '{print $2}' | cut -d/ -f1)\t$(hostname -f) $(hostname -s)" | sudo tee -a /etc/hosts
+    # DON'T FORGET TO REMOVE CODE ABOVE WHEN ISSUE IS ADRESSED!
+
     - name: Check out code
       uses: actions/checkout@v2
 
diff --git a/.github/workflows/cluster_endtoend_vreplication_multicell.yml b/.github/workflows/cluster_endtoend_vreplication_multicell.yml
index 6dca34502e5..72c92ebf610 100644
--- a/.github/workflows/cluster_endtoend_vreplication_multicell.yml
+++ b/.github/workflows/cluster_endtoend_vreplication_multicell.yml
@@ -14,6 +14,16 @@ jobs:
       with:
         go-version: 1.15
 
+    - name: Tune the OS
+      run: |
+        echo '1024 65535' | sudo tee -a /proc/sys/net/ipv4/ip_local_port_range
+
+    # TEMPORARY WHILE GITHUB FIXES THIS https://github.com/actions/virtual-environments/issues/3185
+    - name: Add the current IP address, long hostname and short hostname record to /etc/hosts file
+      run: |
+        echo -e "$(ip addr show eth0 | grep "inet\b" | awk '{print $2}' | cut -d/ -f1)\t$(hostname -f) $(hostname -s)" | sudo tee -a /etc/hosts
+    # DON'T FORGET TO REMOVE CODE ABOVE WHEN ISSUE IS ADRESSED!
+
     - name: Check out code
       uses: actions/checkout@v2
 
diff --git a/.github/workflows/cluster_endtoend_vreplication_v2.yml b/.github/workflows/cluster_endtoend_vreplication_v2.yml
index 742483c3c78..a80745f35c7 100644
--- a/.github/workflows/cluster_endtoend_vreplication_v2.yml
+++ b/.github/workflows/cluster_endtoend_vreplication_v2.yml
@@ -14,6 +14,16 @@ jobs:
       with:
         go-version: 1.15
 
+    - name: Tune the OS
+      run: |
+        echo '1024 65535' | sudo tee -a /proc/sys/net/ipv4/ip_local_port_range
+
+    # TEMPORARY WHILE GITHUB FIXES THIS https://github.com/actions/virtual-environments/issues/3185
+    - name: Add the current IP address, long hostname and short hostname record to /etc/hosts file
+      run: |
+        echo -e "$(ip addr show eth0 | grep "inet\b" | awk '{print $2}' | cut -d/ -f1)\t$(hostname -f) $(hostname -s)" | sudo tee -a /etc/hosts
+    # DON'T FORGET TO REMOVE CODE ABOVE WHEN ISSUE IS ADRESSED!
+
     - name: Check out code
       uses: actions/checkout@v2
 
diff --git a/.github/workflows/cluster_initial_sharding_multi.yml b/.github/workflows/cluster_initial_sharding_multi.yml
index 147b8e7e1cf..9d15898ce32 100644
--- a/.github/workflows/cluster_initial_sharding_multi.yml
+++ b/.github/workflows/cluster_initial_sharding_multi.yml
@@ -12,6 +12,16 @@ jobs:
       with:
         go-version: 1.15
 
+    - name: Tune the OS
+      run: |
+        echo '1024 65535' | sudo tee -a /proc/sys/net/ipv4/ip_local_port_range
+
+    # TEMPORARY WHILE GITHUB FIXES THIS https://github.com/actions/virtual-environments/issues/3185
+    - name: Add the current IP address, long hostname and short hostname record to /etc/hosts file
+      run: |
+        echo -e "$(ip addr show eth0 | grep "inet\b" | awk '{print $2}' | cut -d/ -f1)\t$(hostname -f) $(hostname -s)" | sudo tee -a /etc/hosts
+    # DON'T FORGET TO REMOVE CODE ABOVE WHEN ISSUE IS ADRESSED!
+
     - name: Check out code
       uses: actions/checkout@v2
 
diff --git a/.github/workflows/e2e_race.yml b/.github/workflows/e2e_race.yml
index b6ce4793970..8c596e85569 100644
--- a/.github/workflows/e2e_race.yml
+++ b/.github/workflows/e2e_race.yml
@@ -12,6 +12,16 @@ jobs:
       with:
         go-version: 1.15
 
+    - name: Tune the OS
+      run: |
+        echo '1024 65535' | sudo tee -a /proc/sys/net/ipv4/ip_local_port_range
+
+    # TEMPORARY WHILE GITHUB FIXES THIS https://github.com/actions/virtual-environments/issues/3185
+    - name: Add the current IP address, long hostname and short hostname record to /etc/hosts file
+      run: |
+        echo -e "$(ip addr show eth0 | grep "inet\b" | awk '{print $2}' | cut -d/ -f1)\t$(hostname -f) $(hostname -s)" | sudo tee -a /etc/hosts
+    # DON'T FORGET TO REMOVE CODE ABOVE WHEN ISSUE IS ADRESSED!
+
     - name: Check out code
       uses: actions/checkout@v2
 
diff --git a/.github/workflows/endtoend.yml b/.github/workflows/endtoend.yml
index 8be2dbb3179..7e3181aaa4e 100644
--- a/.github/workflows/endtoend.yml
+++ b/.github/workflows/endtoend.yml
@@ -12,6 +12,16 @@ jobs:
       with:
         go-version: 1.15
 
+    - name: Tune the OS
+      run: |
+        echo '1024 65535' | sudo tee -a /proc/sys/net/ipv4/ip_local_port_range
+
+    # TEMPORARY WHILE GITHUB FIXES THIS https://github.com/actions/virtual-environments/issues/3185
+    - name: Add the current IP address, long hostname and short hostname record to /etc/hosts file
+      run: |
+        echo -e "$(ip addr show eth0 | grep "inet\b" | awk '{print $2}' | cut -d/ -f1)\t$(hostname -f) $(hostname -s)" | sudo tee -a /etc/hosts
+    # DON'T FORGET TO REMOVE CODE ABOVE WHEN ISSUE IS ADRESSED!
+
     - name: Check out code
       uses: actions/checkout@v2
 
diff --git a/.github/workflows/legacy_local_example.yml b/.github/workflows/legacy_local_example.yml
index 2033da389af..83f680c0406 100644
--- a/.github/workflows/legacy_local_example.yml
+++ b/.github/workflows/legacy_local_example.yml
@@ -17,6 +17,16 @@ jobs:
       with:
         go-version: 1.15
 
+    - name: Tune the OS
+      run: |
+        echo '1024 65535' | sudo tee -a /proc/sys/net/ipv4/ip_local_port_range
+
+    # TEMPORARY WHILE GITHUB FIXES THIS https://github.com/actions/virtual-environments/issues/3185
+    - name: Add the current IP address, long hostname and short hostname record to /etc/hosts file
+      run: |
+        echo -e "$(ip addr show eth0 | grep "inet\b" | awk '{print $2}' | cut -d/ -f1)\t$(hostname -f) $(hostname -s)" | sudo tee -a /etc/hosts
+    # DON'T FORGET TO REMOVE CODE ABOVE WHEN ISSUE IS ADRESSED!
+
     - name: Check out code
       uses: actions/checkout@v2
 
diff --git a/.github/workflows/local_example.yml b/.github/workflows/local_example.yml
index acddcc357fa..5f899bd761f 100644
--- a/.github/workflows/local_example.yml
+++ b/.github/workflows/local_example.yml
@@ -17,6 +17,16 @@ jobs:
       with:
         go-version: 1.15
 
+    - name: Tune the OS
+      run: |
+        echo '1024 65535' | sudo tee -a /proc/sys/net/ipv4/ip_local_port_range
+
+    # TEMPORARY WHILE GITHUB FIXES THIS https://github.com/actions/virtual-environments/issues/3185
+    - name: Add the current IP address, long hostname and short hostname record to /etc/hosts file
+      run: |
+        echo -e "$(ip addr show eth0 | grep "inet\b" | awk '{print $2}' | cut -d/ -f1)\t$(hostname -f) $(hostname -s)" | sudo tee -a /etc/hosts
+    # DON'T FORGET TO REMOVE CODE ABOVE WHEN ISSUE IS ADRESSED!
+
     - name: Check out code
       uses: actions/checkout@v2
 
diff --git a/.github/workflows/region_example.yml b/.github/workflows/region_example.yml
index b31b9af6151..ba09878b1f0 100644
--- a/.github/workflows/region_example.yml
+++ b/.github/workflows/region_example.yml
@@ -17,6 +17,16 @@ jobs:
       with:
         go-version: 1.15
 
+    - name: Tune the OS
+      run: |
+        echo '1024 65535' | sudo tee -a /proc/sys/net/ipv4/ip_local_port_range
+
+    # TEMPORARY WHILE GITHUB FIXES THIS https://github.com/actions/virtual-environments/issues/3185
+    - name: Add the current IP address, long hostname and short hostname record to /etc/hosts file
+      run: |
+        echo -e "$(ip addr show eth0 | grep "inet\b" | awk '{print $2}' | cut -d/ -f1)\t$(hostname -f) $(hostname -s)" | sudo tee -a /etc/hosts
+    # DON'T FORGET TO REMOVE CODE ABOVE WHEN ISSUE IS ADRESSED!
+
     - name: Check out code
       uses: actions/checkout@v2
 
diff --git a/.github/workflows/unit_race.yml b/.github/workflows/unit_race.yml
index d280afe62a6..b362b2b714e 100644
--- a/.github/workflows/unit_race.yml
+++ b/.github/workflows/unit_race.yml
@@ -12,6 +12,16 @@ jobs:
       with:
         go-version: 1.15
 
+    - name: Tune the OS
+      run: |
+        echo '1024 65535' | sudo tee -a /proc/sys/net/ipv4/ip_local_port_range
+
+    # TEMPORARY WHILE GITHUB FIXES THIS https://github.com/actions/virtual-environments/issues/3185
+    - name: Add the current IP address, long hostname and short hostname record to /etc/hosts file
+      run: |
+        echo -e "$(ip addr show eth0 | grep "inet\b" | awk '{print $2}' | cut -d/ -f1)\t$(hostname -f) $(hostname -s)" | sudo tee -a /etc/hosts
+    # DON'T FORGET TO REMOVE CODE ABOVE WHEN ISSUE IS ADRESSED!
+
     - name: Check out code
       uses: actions/checkout@v2
 
diff --git a/.github/workflows/unit_test_mariadb101.yml b/.github/workflows/unit_test_mariadb101.yml
index f3e08c7df17..c6120a09303 100644
--- a/.github/workflows/unit_test_mariadb101.yml
+++ b/.github/workflows/unit_test_mariadb101.yml
@@ -13,6 +13,16 @@ jobs:
       with:
         go-version: 1.15
 
+    - name: Tune the OS
+      run: |
+        echo '1024 65535' | sudo tee -a /proc/sys/net/ipv4/ip_local_port_range
+
+    # TEMPORARY WHILE GITHUB FIXES THIS https://github.com/actions/virtual-environments/issues/3185
+    - name: Add the current IP address, long hostname and short hostname record to /etc/hosts file
+      run: |
+        echo -e "$(ip addr show eth0 | grep "inet\b" | awk '{print $2}' | cut -d/ -f1)\t$(hostname -f) $(hostname -s)" | sudo tee -a /etc/hosts
+    # DON'T FORGET TO REMOVE CODE ABOVE WHEN ISSUE IS ADRESSED!
+
     - name: Check out code
       uses: actions/checkout@v2
 
diff --git a/.github/workflows/unit_test_mariadb102.yml b/.github/workflows/unit_test_mariadb102.yml
index be554bc6e41..17ebdba01a5 100644
--- a/.github/workflows/unit_test_mariadb102.yml
+++ b/.github/workflows/unit_test_mariadb102.yml
@@ -13,6 +13,16 @@ jobs:
       with:
         go-version: 1.15
 
+    - name: Tune the OS
+      run: |
+        echo '1024 65535' | sudo tee -a /proc/sys/net/ipv4/ip_local_port_range
+
+    # TEMPORARY WHILE GITHUB FIXES THIS https://github.com/actions/virtual-environments/issues/3185
+    - name: Add the current IP address, long hostname and short hostname record to /etc/hosts file
+      run: |
+        echo -e "$(ip addr show eth0 | grep "inet\b" | awk '{print $2}' | cut -d/ -f1)\t$(hostname -f) $(hostname -s)" | sudo tee -a /etc/hosts
+    # DON'T FORGET TO REMOVE CODE ABOVE WHEN ISSUE IS ADRESSED!
+
     - name: Check out code
       uses: actions/checkout@v2
 
diff --git a/.github/workflows/unit_test_mariadb103.yml b/.github/workflows/unit_test_mariadb103.yml
index 73bbe067dd9..f30d035eaa9 100644
--- a/.github/workflows/unit_test_mariadb103.yml
+++ b/.github/workflows/unit_test_mariadb103.yml
@@ -13,6 +13,16 @@ jobs:
       with:
         go-version: 1.15
 
+    - name: Tune the OS
+      run: |
+        echo '1024 65535' | sudo tee -a /proc/sys/net/ipv4/ip_local_port_range
+
+    # TEMPORARY WHILE GITHUB FIXES THIS https://github.com/actions/virtual-environments/issues/3185
+    - name: Add the current IP address, long hostname and short hostname record to /etc/hosts file
+      run: |
+        echo -e "$(ip addr show eth0 | grep "inet\b" | awk '{print $2}' | cut -d/ -f1)\t$(hostname -f) $(hostname -s)" | sudo tee -a /etc/hosts
+    # DON'T FORGET TO REMOVE CODE ABOVE WHEN ISSUE IS ADRESSED!
+
     - name: Check out code
       uses: actions/checkout@v2
 
diff --git a/.github/workflows/unit_test_mysql57.yml b/.github/workflows/unit_test_mysql57.yml
index e9eabae2e5d..3c7e077ad32 100644
--- a/.github/workflows/unit_test_mysql57.yml
+++ b/.github/workflows/unit_test_mysql57.yml
@@ -13,6 +13,16 @@ jobs:
       with:
         go-version: 1.15
 
+    - name: Tune the OS
+      run: |
+        echo '1024 65535' | sudo tee -a /proc/sys/net/ipv4/ip_local_port_range
+
+    # TEMPORARY WHILE GITHUB FIXES THIS https://github.com/actions/virtual-environments/issues/3185
+    - name: Add the current IP address, long hostname and short hostname record to /etc/hosts file
+      run: |
+        echo -e "$(ip addr show eth0 | grep "inet\b" | awk '{print $2}' | cut -d/ -f1)\t$(hostname -f) $(hostname -s)" | sudo tee -a /etc/hosts
+    # DON'T FORGET TO REMOVE CODE ABOVE WHEN ISSUE IS ADRESSED!
+
     - name: Check out code
       uses: actions/checkout@v2
 
diff --git a/.github/workflows/unit_test_mysql80.yml b/.github/workflows/unit_test_mysql80.yml
index 57cd16f2487..80f224e77c2 100644
--- a/.github/workflows/unit_test_mysql80.yml
+++ b/.github/workflows/unit_test_mysql80.yml
@@ -13,6 +13,16 @@ jobs:
       with:
         go-version: 1.15
 
+    - name: Tune the OS
+      run: |
+        echo '1024 65535' | sudo tee -a /proc/sys/net/ipv4/ip_local_port_range
+
+    # TEMPORARY WHILE GITHUB FIXES THIS https://github.com/actions/virtual-environments/issues/3185
+    - name: Add the current IP address, long hostname and short hostname record to /etc/hosts file
+      run: |
+        echo -e "$(ip addr show eth0 | grep "inet\b" | awk '{print $2}' | cut -d/ -f1)\t$(hostname -f) $(hostname -s)" | sudo tee -a /etc/hosts
+    # DON'T FORGET TO REMOVE CODE ABOVE WHEN ISSUE IS ADRESSED!
+
     - name: Check out code
       uses: actions/checkout@v2
 
diff --git a/.github/workflows/unit_test_percona56.yml b/.github/workflows/unit_test_percona56.yml
index 937e32bf34e..72bc5a24d61 100644
--- a/.github/workflows/unit_test_percona56.yml
+++ b/.github/workflows/unit_test_percona56.yml
@@ -13,6 +13,16 @@ jobs:
       with:
         go-version: 1.15
 
+    - name: Tune the OS
+      run: |
+        echo '1024 65535' | sudo tee -a /proc/sys/net/ipv4/ip_local_port_range
+
+    # TEMPORARY WHILE GITHUB FIXES THIS https://github.com/actions/virtual-environments/issues/3185
+    - name: Add the current IP address, long hostname and short hostname record to /etc/hosts file
+      run: |
+        echo -e "$(ip addr show eth0 | grep "inet\b" | awk '{print $2}' | cut -d/ -f1)\t$(hostname -f) $(hostname -s)" | sudo tee -a /etc/hosts
+    # DON'T FORGET TO REMOVE CODE ABOVE WHEN ISSUE IS ADRESSED!
+
     - name: Check out code
       uses: actions/checkout@v2
 
diff --git a/test/templates/cluster_endtoend_test.tpl b/test/templates/cluster_endtoend_test.tpl
index 2f4451ad3c2..7a6548a71a0 100644
--- a/test/templates/cluster_endtoend_test.tpl
+++ b/test/templates/cluster_endtoend_test.tpl
@@ -12,6 +12,16 @@ jobs:
       with:
         go-version: 1.15
 
+    - name: Tune the OS
+      run: |
+        echo '1024 65535' | sudo tee -a /proc/sys/net/ipv4/ip_local_port_range
+
+    # TEMPORARY WHILE GITHUB FIXES THIS https://github.com/actions/virtual-environments/issues/3185
+    - name: Add the current IP address, long hostname and short hostname record to /etc/hosts file
+      run: |
+        echo -e "$(ip addr show eth0 | grep "inet\b" | awk '{print $2}' | cut -d/ -f1)\t$(hostname -f) $(hostname -s)" | sudo tee -a /etc/hosts
+    # DON'T FORGET TO REMOVE CODE ABOVE WHEN ISSUE IS ADRESSED!
+
     - name: Check out code
       uses: actions/checkout@v2
 
diff --git a/test/templates/unit_test.tpl b/test/templates/unit_test.tpl
index 31b4c7146f8..37a20971d54 100644
--- a/test/templates/unit_test.tpl
+++ b/test/templates/unit_test.tpl
@@ -11,6 +11,16 @@ jobs:
       with:
         go-version: 1.15
 
+    - name: Tune the OS
+      run: |
+        echo '1024 65535' | sudo tee -a /proc/sys/net/ipv4/ip_local_port_range
+
+    # TEMPORARY WHILE GITHUB FIXES THIS https://github.com/actions/virtual-environments/issues/3185
+    - name: Add the current IP address, long hostname and short hostname record to /etc/hosts file
+      run: |
+        echo -e "$(ip addr show eth0 | grep "inet\b" | awk '{print $2}' | cut -d/ -f1)\t$(hostname -f) $(hostname -s)" | sudo tee -a /etc/hosts
+    # DON'T FORGET TO REMOVE CODE ABOVE WHEN ISSUE IS ADRESSED!
+
     - name: Check out code
       uses: actions/checkout@v2