[ 1019.035679][T12676] netdevsim netdevsim686 eni686np1: renamed from eth1
[ 1019.112100][T12726] netdevsim netdevsim438 eni438np1: renamed from eth0
[ 1020.901080][T12721] Could not find device with ifindex 2000 in netnsfd 11
[ 1020.902089][T12721] Could not find netns with fd: 2000
[ 1020.902798][T12721] Cannot link a netdevsim to itself
[ 1020.903594][T12721] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).