[ 1022.508224][T12135] netdevsim netdevsim554 eni554np1: renamed from eth1
[ 1022.608472][T12070] netdevsim netdevsim414 eni414np1: renamed from eth0
[ 1024.357432][T12555] Could not find device with ifindex 2000 in netnsfd 11
[ 1024.358356][T12555] Could not find netns with fd: 2000
[ 1024.359051][T12555] Cannot link a netdevsim to itself
[ 1024.359815][T12555] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).