[  520.280756] netdevsim netdevsim498 eni498np1: renamed from eth0
[  520.377569] netdevsim netdevsim765 eni765np1: renamed from eth1
[  520.627680] Could not find device with ifindex 2000 in netnsfd 11
[  520.627883] Could not find netns with fd: 2000
[  520.628007] Cannot link a netdevsim to itself
[  520.628125] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).