[  514.850142] netdevsim netdevsim697 eni697np1: renamed from eth1
[  514.947555] netdevsim netdevsim435 eni435np1: renamed from eth0
[  515.159583] Could not find device with ifindex 2000 in netnsfd 11
[  515.159791] Could not find netns with fd: 2000
[  515.159884] Cannot link a netdevsim to itself
[  515.159973] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).