[  763.381682][T14647] netdevsim netdevsim473 eni473np1: renamed from eth0
[  763.396078][T14649] netdevsim netdevsim592 eni592np1: renamed from eth1
[  764.131034][T14635] Could not find device with ifindex 2000 in netnsfd 11
[  764.131684][T14635] Could not find netns with fd: 2000
[  764.132254][T14635] Cannot link a netdevsim to itself
[  764.132927][T14635] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).