[  486.152688] netdevsim netdevsim580 eni580np1: renamed from eth1
[  486.250870] netdevsim netdevsim278 eni278np1: renamed from eth0
[  486.481684] Could not find device with ifindex 2000 in netnsfd 11
[  486.481947] Could not find netns with fd: 2000
[  486.482040] Cannot link a netdevsim to itself
[  486.482156] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).