[ 1319.081712][T13023] netdevsim netdevsim504 eni504np1: renamed from eth0
[ 1319.144383][T13024] netdevsim netdevsim754 eni754np1: renamed from eth1
[ 1321.703684][T13009] Could not find device with ifindex 2000 in netnsfd 11
[ 1321.705633][T13009] Could not find netns with fd: 2000
[ 1321.706513][T13009] Cannot link a netdevsim to itself
[ 1321.707562][T13009] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).