[  490.141152] netdevsim netdevsim293 eni293np1: renamed from eth0
[  490.141373] netdevsim netdevsim649 eni649np1: renamed from eth1
[  490.227076] Could not find device with ifindex 2000 in netnsfd 11
[  490.227158] Could not find netns with fd: 2000
[  490.227200] Cannot link a netdevsim to itself
[  490.227251] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).