[  478.636405] netdevsim netdevsim377 eni377np1: renamed from eth0
[  478.738356] netdevsim netdevsim604 eni604np1: renamed from eth1
[  479.113001] Could not find device with ifindex 2000 in netnsfd 11
[  479.113141] Could not find netns with fd: 2000
[  479.113221] Cannot link a netdevsim to itself
[  479.113307] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).