Please find attached a patch (from Oracle Linux) that mitigates the race with a tunable delay of 100ms.
** Patch added: "0001-net_failover-delay-taking-over-primary-device-to-acc.patch" https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1815268/+attachment/5237749/+files/0001-net_failover-delay-taking-over-primary-device-to-acc.patch -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1815268 Title: hot add VF to net_failover - could not rename interface '8' from 'eth0' to 'ens4': Device or resource busy To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1815268/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs