[ 1228.128451][T11140] netdevsim netdevsim258 eni258np1: renamed from eth0
[ 1228.222274][T11139] netdevsim netdevsim520 eni520np1: renamed from eth1
[ 1231.609735][T11132] Could not find device with ifindex 2000 in netnsfd 11
[ 1231.610547][T11132] Could not find netns with fd: 2000
[ 1231.611363][T11132] Cannot link a netdevsim to itself
[ 1231.612109][T11132] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).