ovs: wait for the link to be ready before activating
Summary
Block the activation of ovs-interface until udev is done and therefore the link is ready.
Resolves: RHEL-49796
Purpose
Fix a race condition happening in OVS interfaces with cloned-mac-address set when udev rule enabling MACAddressPolicy=persistent is in place.
Checklist
Please read https://gitlab.freedesktop.org/NetworkManager/NetworkManager/-/blob/main/CONTRIBUTING.md before opening the merge request. In particular, check that:
-
the subject for all commits is concise and explicative -
the message for all commits explains the reason for the change -
the source is properly formatted -
any relevant documentation is up to date -
you have added unit tests if applicable -
the NEWS file is updated when the change deserves to be mentioned, for example for new features, behavior changes, API deprecations, etc.
Edited by Fernando Fernández Mancera