[  522.369502] netdevsim netdevsim592 eni592np1: renamed from eth1
[  522.465373] netdevsim netdevsim347 eni347np1: renamed from eth0
[  522.706607] Could not find device with ifindex 2000 in netnsfd 11
[  522.706865] Could not find netns with fd: 2000
[  522.707003] Cannot link a netdevsim to itself
[  522.707148] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).