[ 1015.127367][T12067] netdevsim netdevsim317 eni317np1: renamed from eth0
[ 1015.130656][T12131] netdevsim netdevsim520 eni520np1: renamed from eth1
[ 1016.951990][T12725] Could not find device with ifindex 2000 in netnsfd 11
[ 1016.953139][T12725] Could not find netns with fd: 2000
[ 1016.953993][T12725] Cannot link a netdevsim to itself
[ 1016.955147][T12725] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).