[  521.536825] netdevsim netdevsim565 eni565np1: renamed from eth1
[  521.633929] netdevsim netdevsim415 eni415np1: renamed from eth0
[  521.874996] Could not find device with ifindex 2000 in netnsfd 11
[  521.875145] Could not find netns with fd: 2000
[  521.875230] Cannot link a netdevsim to itself
[  521.875317] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).