vendor: vishvananda/netns db3c7e526aae966c4ccfa6c8189b693d6ac5d202

full diff: vishvananda/netns@0a2b9b5...db3c7e5

- Use golang.org/x/sys/unix instead of syscall
- Set O_CLOEXEC when opening a network namespace
    - Fixes "the container‘s netns fds leak, causing the container netns to not
      clean up successfully after the container stops"
- Allows to create and delete named network namespaces

Signed-off-by: Sebastiaan van Stijn <github@gone.nl>
(cherry picked from commit 818bad6ef21e473a80a27564bd2219449633dbb8)
Signed-off-by: Sebastiaan van Stijn <github@gone.nl>
Upstream-commit: dae08c333e1756cf9cf08ef43b5b3b7a3977b648
Component: engine

Author: thaJeztah

components/engine/vendor.conf

@@ -50,7 +50,7 @@ github.com/hashicorp/go-sockaddr                    c7188e74f6acae5a989bdc959aa7
 github.com/hashicorp/go-multierror                  886a7fbe3eb1c874d46f623bfa70af45f425b3d1 # v1.0.0
 github.com/hashicorp/serf                           598c54895cc5a7b1a24a398d635e8c0ea0959870
 github.com/docker/libkv                             458977154600b9f23984d9f4b82e79570b5ae12b
-github.com/vishvananda/netns                        0a2b9b5464df8343199164a0321edf3313202f7e
+github.com/vishvananda/netns                        db3c7e526aae966c4ccfa6c8189b693d6ac5d202
 github.com/vishvananda/netlink                      a2ad57a690f3caf3015351d2d6e1c0b95c349752
 
 # When updating, consider updating TOMLV_COMMIT in hack/dockerfile/install/tomlv.installer accordingly