[  487.752267] netdevsim netdevsim393 eni393np1: renamed from eth0
[  487.848551] netdevsim netdevsim586 eni586np1: renamed from eth1
[  488.052196] Could not find device with ifindex 2000 in netnsfd 11
[  488.052535] Could not find netns with fd: 2000
[  488.052634] Cannot link a netdevsim to itself
[  488.052753] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).