[  472.535948] netdevsim netdevsim381 eni381np1: renamed from eth0
[  472.536404] netdevsim netdevsim703 eni703np1: renamed from eth1
[  472.608374] Could not find device with ifindex 2000 in netnsfd 11
[  472.608509] Could not find netns with fd: 2000
[  472.608611] Cannot link a netdevsim to itself
[  472.608730] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).