[ 1239.221321][T11147] netdevsim netdevsim434 eni434np1: renamed from eth0
[ 1239.335519][T11145] netdevsim netdevsim688 eni688np1: renamed from eth1
[ 1242.878454][T11139] Could not find device with ifindex 2000 in netnsfd 11
[ 1242.879541][T11139] Could not find netns with fd: 2000
[ 1242.880421][T11139] Cannot link a netdevsim to itself
[ 1242.881168][T11139] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).