[  522.067310] netdevsim netdevsim502 eni502np1: renamed from eth0
[  522.164320] netdevsim netdevsim525 eni525np1: renamed from eth1
[  522.389973] Could not find device with ifindex 2000 in netnsfd 11
[  522.390130] Could not find netns with fd: 2000
[  522.390209] Cannot link a netdevsim to itself
[  522.390296] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).