[  488.946182] netdevsim netdevsim548 eni548np1: renamed from eth1
[  489.047087] netdevsim netdevsim419 eni419np1: renamed from eth0
[  489.454459] Could not find device with ifindex 2000 in netnsfd 11
[  489.454623] Could not find netns with fd: 2000
[  489.454717] Cannot link a netdevsim to itself
[  489.454831] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).