[  492.843948] netdevsim netdevsim568 eni568np1: renamed from eth1
[  492.940377] netdevsim netdevsim307 eni307np1: renamed from eth0
[  493.177844] Could not find device with ifindex 2000 in netnsfd 11
[  493.178362] Could not find netns with fd: 2000
[  493.178501] Cannot link a netdevsim to itself
[  493.178652] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).