[  486.657941] netdevsim netdevsim625 eni625np1: renamed from eth1
[  486.753828] netdevsim netdevsim468 eni468np1: renamed from eth0
[  486.969907] Could not find device with ifindex 2000 in netnsfd 11
[  486.970191] Could not find netns with fd: 2000
[  486.970289] Cannot link a netdevsim to itself
[  486.970391] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).