[  476.977075] netdevsim netdevsim273 eni273np1: renamed from eth0
[  476.977380] netdevsim netdevsim541 eni541np1: renamed from eth1
[  477.054017] Could not find device with ifindex 2000 in netnsfd 11
[  477.054100] Could not find netns with fd: 2000
[  477.054144] Cannot link a netdevsim to itself
[  477.054193] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).