sync from envoyproxy/envoy#3

Merged

guyco-redis merged 2 commits intoRedisLabs:release/v1.16from

envoyproxy:release/v1.16

Nov 11, 2020

Commits on Nov 5, 2020

backport: Prevent SEGFAULT when disabling listener (#13515) (#13882)
cpakulski
authored

Commits on Nov 11, 2020

backport to rel-1.16: proxy_proto - fixing hashing bug #13768 (#13966)
cpakulski
authored