[  566.193429][ T6491] netdevsim netdevsim370 eni370np1: renamed from eth0
[  566.201404][ T6494] netdevsim netdevsim603 eni603np1: renamed from eth1
[  568.859269][ T6481] Could not find device with ifindex 2000 in netnsfd 11
[  568.860782][ T6481] Could not find netns with fd: 2000
[  568.861658][ T6481] Cannot link a netdevsim to itself
[  568.862776][ T6481] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).