Bump github.com/vishvananda/netlink from `8aa85bf` to `56b1bd2`
Bump github.com/vishvananda/netlink from `8aa85bf` to `56b1bd2`

Bumps [github.com/vishvananda/netlink](https://github.com/vishvananda/netlink) from `8aa85bf` to `56b1bd2`.
- [Release notes](https://github.com/vishvananda/netlink/releases)
- [Commits](https://github.com/vishvananda/netlink/compare/8aa85bfa77a45236ae842cab3a91853e2b74e07a...56b1bd27a9a363862ef67916bb450fe240787d07)

Signed-off-by: dependabot[bot] <5bdcd3c0d4d24ae3e71b3b452a024c6324c7e4bb@dependabot.com>
VladoLavor/vpp-agent,VladoLavor/vpp-agent,ondrej-fabry/vpp-agent,ondrej-fabry/vpp-agent,VladoLavor/vpp-agent,ondrej-fabry/vpp-agent