[ 1306.970680][T11142] netdevsim netdevsim273 eni273np1: renamed from eth0
[ 1307.011797][T11140] netdevsim netdevsim750 eni750np1: renamed from eth1
[ 1310.775927][T11134] Could not find device with ifindex 2000 in netnsfd 11
[ 1310.776740][T11134] Could not find netns with fd: 2000
[ 1310.777428][T11134] Cannot link a netdevsim to itself
[ 1310.778223][T11134] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).