Additional buildx platforms wiped after restarting computer

[chrissyast]

Is this a bug report, feature (enhancement) request or question? (leave only one on its own line)

/kind bug

Description:
Following this guide to get arm-64 as a platform on my buildx. First time around everything worked perfectly, then restarted my computer and now I'm back to only the two platforms I started with. Repeating the original process doesn't bring the others back.

Steps to reproduce the issue:

1. Run docker buildx ls
// default ... linux/amd64, linux/amd64/v2

2. Run sudo apt-get install -y qemu qemu-user-static

3. Run docker buildx ls
// default ... linux/amd64, linux/386, linux/arm64, linux/riscv64, linux/ppc64le, linux/s390x, linux/arm/v7, linux/arm/v6

4. Restart computer

5. Run docker buildx ls

Describe the results you received:
// default ... linux/amd64, linux/amd64/v2
Even after repeating step 2 still the same result.
If I run atp-get remove... and then install... again, desired functionality is observed
Describe the results you expected:
// default ... linux/amd64, linux/386, linux/arm64, linux/riscv64, linux/ppc64le, linux/s390x, linux/arm/v7, linux/arm/v6

Environment:
Ubuntu 20.04 LTS (on WSL2)

• QEMU version: (if you can know it): 1:4.2-3ubuntu6.30
• Container application: Docker
  Output of docker version

**Client: Docker Engine - Community**
 Version:           27.3.1
 API version:       1.47
 Go version:        go1.22.7
 Git commit:        ce12230
 Built:             Fri Sep 20 11:41:03 2024
 OS/Arch:           linux/amd64
 Context:           default

**Server: Docker Engine - Community**
 Engine:
  Version:          27.3.1
  API version:      1.47 (minimum version 1.24)
  Go version:       go1.22.7
  Git commit:       41ca978
  Built:            Fri Sep 20 11:41:03 2024
  OS/Arch:          linux/amd64
  Experimental:     false
 containerd:
  Version:          1.7.24
  GitCommit:        88bf19b2105c8b17560993bee28a01ddc2f97182
 runc:
  Version:          1.2.2
  GitCommit:        v1.2.2-0-g7cb3632
 docker-init:
  Version:          0.19.0
  GitCommit:        de40ad0