[ 1262.399007][T12844] netdevsim netdevsim603 eni603np1: renamed from eth1
[ 1262.525808][T12846] netdevsim netdevsim428 eni428np1: renamed from eth0
[ 1265.080499][T12833] Could not find device with ifindex 2000 in netnsfd 11
[ 1265.082856][T12833] Could not find netns with fd: 2000
[ 1265.083760][T12833] Cannot link a netdevsim to itself
[ 1265.084943][T12833] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).