[  479.011335] netdevsim netdevsim393 eni393np1: renamed from eth0
[  479.013661] netdevsim netdevsim711 eni711np1: renamed from eth1
[  479.336489] Could not find device with ifindex 2000 in netnsfd 11
[  479.336616] Could not find netns with fd: 2000
[  479.336712] Cannot link a netdevsim to itself
[  479.336799] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).