[ 1208.699657][T12605] netdevsim netdevsim572 eni572np1: renamed from eth1
[ 1208.805138][T12606] netdevsim netdevsim398 eni398np1: renamed from eth0
[ 1211.276754][T12599] Could not find device with ifindex 2000 in netnsfd 11
[ 1211.278696][T12599] Could not find netns with fd: 2000
[ 1211.280101][T12599] Cannot link a netdevsim to itself
[ 1211.296529][T12599] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).