[ 1016.223249][T12573] netdevsim netdevsim550 eni550np1: renamed from eth1
[ 1016.227885][T12623] netdevsim netdevsim412 eni412np1: renamed from eth0
[ 1017.850702][T12618] Could not find device with ifindex 2000 in netnsfd 11
[ 1017.852128][T12618] Could not find netns with fd: 2000
[ 1017.852896][T12618] Cannot link a netdevsim to itself
[ 1017.853696][T12618] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).