[  788.535622][T14583] netdevsim netdevsim393 eni393np1: renamed from eth0
[  788.554777][T14585] netdevsim netdevsim645 eni645np1: renamed from eth1
[  789.271998][T14571] Could not find device with ifindex 2000 in netnsfd 11
[  789.272643][T14571] Could not find netns with fd: 2000
[  789.273532][T14571] Cannot link a netdevsim to itself
[  789.274253][T14571] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).