[  950.458091][T12742] netdevsim netdevsim506 eni506np1: renamed from eth0
[  950.525598][T12576] netdevsim netdevsim648 eni648np1: renamed from eth1
[  952.032546][T12737] Could not find device with ifindex 2000 in netnsfd 11
[  952.033337][T12737] Could not find netns with fd: 2000
[  952.033890][T12737] Cannot link a netdevsim to itself
[  952.034572][T12737] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).