[  522.067167] netdevsim netdevsim478 eni478np1: renamed from eth0
[  522.164849] netdevsim netdevsim704 eni704np1: renamed from eth1
[  522.392215] Could not find device with ifindex 2000 in netnsfd 11
[  522.392453] Could not find netns with fd: 2000
[  522.392567] Cannot link a netdevsim to itself
[  522.392697] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).