[  486.554490] netdevsim netdevsim355 eni355np1: renamed from eth0
[  486.655282] netdevsim netdevsim711 eni711np1: renamed from eth1
[  486.976627] Could not find device with ifindex 2000 in netnsfd 11
[  486.976786] Could not find netns with fd: 2000
[  486.976866] Cannot link a netdevsim to itself
[  486.976963] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).