[ 1366.947021][T12983] netdevsim netdevsim740 eni740np1: renamed from eth1
[ 1367.003185][T12986] netdevsim netdevsim350 eni350np1: renamed from eth0
[ 1370.002192][T12974] Could not find device with ifindex 2000 in netnsfd 11
[ 1370.006559][T12974] Could not find netns with fd: 2000
[ 1370.012599][T12974] Cannot link a netdevsim to itself
[ 1370.015547][T12974] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).