[  484.274730] netdevsim netdevsim320 eni320np1: renamed from eth0
[  484.376345] netdevsim netdevsim734 eni734np1: renamed from eth1
[  484.755308] Could not find device with ifindex 2000 in netnsfd 11
[  484.755463] Could not find netns with fd: 2000
[  484.755541] Cannot link a netdevsim to itself
[  484.755633] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).