[  554.174682] netdevsim netdevsim524 eni524np1: renamed from eth1
[  554.272326] netdevsim netdevsim435 eni435np1: renamed from eth0
[  554.498182] Could not find device with ifindex 2000 in netnsfd 11
[  554.498399] Could not find netns with fd: 2000
[  554.498495] Cannot link a netdevsim to itself
[  554.498601] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).