[  522.638971] netdevsim netdevsim371 eni371np1: renamed from eth0
[  522.736514] netdevsim netdevsim560 eni560np1: renamed from eth1
[  522.980657] Could not find device with ifindex 2000 in netnsfd 11
[  522.980869] Could not find netns with fd: 2000
[  522.980963] Cannot link a netdevsim to itself
[  522.981075] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).