[  826.909578][T15801] netdevsim netdevsim664 eni664np1: renamed from eth1
[  826.918196][T15798] netdevsim netdevsim412 eni412np1: renamed from eth0
[  827.560264][T15787] Could not find device with ifindex 2000 in netnsfd 11
[  827.560921][T15787] Could not find netns with fd: 2000
[  827.561874][T15787] Cannot link a netdevsim to itself
[  827.562570][T15787] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).