[ 1321.385746][T12620] netdevsim netdevsim742 eni742np1: renamed from eth1
[ 1321.505250][T12622] netdevsim netdevsim344 eni344np1: renamed from eth0
[ 1324.194324][T12615] Could not find device with ifindex 2000 in netnsfd 11
[ 1324.196240][T12615] Could not find netns with fd: 2000
[ 1324.197749][T12615] Cannot link a netdevsim to itself
[ 1324.199718][T12615] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).