[  491.066075] netdevsim netdevsim266 eni266np1: renamed from eth0
[  491.066752] netdevsim netdevsim549 eni549np1: renamed from eth1
[  491.153990] Could not find device with ifindex 2000 in netnsfd 11
[  491.154100] Could not find netns with fd: 2000
[  491.154152] Cannot link a netdevsim to itself
[  491.154214] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).