[  522.529942] netdevsim netdevsim410 eni410np1: renamed from eth0
[  522.626678] netdevsim netdevsim512 eni512np1: renamed from eth1
[  522.843039] Could not find device with ifindex 2000 in netnsfd 11
[  522.843323] Could not find netns with fd: 2000
[  522.843451] Cannot link a netdevsim to itself
[  522.843606] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).