[ 1294.262975][T13025] netdevsim netdevsim663 eni663np1: renamed from eth1
[ 1294.307450][T13026] netdevsim netdevsim344 eni344np1: renamed from eth0
[ 1297.003880][T13014] Could not find device with ifindex 2000 in netnsfd 11
[ 1297.006738][T13014] Could not find netns with fd: 2000
[ 1297.008179][T13014] Cannot link a netdevsim to itself
[ 1297.010439][T13014] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).