[  489.508037] netdevsim netdevsim477 eni477np1: renamed from eth0
[  489.510134] netdevsim netdevsim626 eni626np1: renamed from eth1
[  489.597371] Could not find device with ifindex 2000 in netnsfd 11
[  489.597496] Could not find netns with fd: 2000
[  489.597610] Cannot link a netdevsim to itself
[  489.597717] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).