[  486.264884] netdevsim netdevsim528 eni528np1: renamed from eth1
[  486.361047] netdevsim netdevsim303 eni303np1: renamed from eth0
[  486.562111] Could not find device with ifindex 2000 in netnsfd 11
[  486.562459] Could not find netns with fd: 2000
[  486.562551] Cannot link a netdevsim to itself
[  486.562653] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).