Some additional information from docker release notes: docker.io 20.10.2 introduced a regression that disabled binding to ipv6 addresses: https://github.com/moby/moby/issues/41858
This regression was fixed in docker 20.10.6, see https://docs.docker.com/engine/release-notes/#20106 , fix is part of merged https://github.com/moby/moby/pull/42205 Please update docker.io in focal-updates to 20.10.6 to fix these regressions that impact many users using ipv6 with docker.io. ** Bug watch added: github.com/moby/moby/issues #41858 https://github.com/moby/moby/issues/41858 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1929931 Title: docker.io docker-proxy only binds to ipv4 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/docker.io/+bug/1929931/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs