[ 1034.432713][T12731] netdevsim netdevsim257 eni257np1: renamed from eth0
[ 1034.541674][T12681] netdevsim netdevsim552 eni552np1: renamed from eth1
[ 1036.436715][T12726] Could not find device with ifindex 2000 in netnsfd 11
[ 1036.437668][T12726] Could not find netns with fd: 2000
[ 1036.438349][T12726] Cannot link a netdevsim to itself
[ 1036.439111][T12726] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).