[  521.753524] netdevsim netdevsim562 eni562np1: renamed from eth1
[  521.850264] netdevsim netdevsim464 eni464np1: renamed from eth0
[  522.082738] Could not find device with ifindex 2000 in netnsfd 11
[  522.082893] Could not find netns with fd: 2000
[  522.082965] Cannot link a netdevsim to itself
[  522.083051] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).