[  752.229220][T14549] netdevsim netdevsim494 eni494np1: renamed from eth0
[  752.246278][T14551] netdevsim netdevsim674 eni674np1: renamed from eth1
[  752.820902][T14537] Could not find device with ifindex 2000 in netnsfd 11
[  752.821808][T14537] Could not find netns with fd: 2000
[  752.822272][T14537] Cannot link a netdevsim to itself
[  752.822840][T14537] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).