[  483.773171] netdevsim netdevsim416 eni416np1: renamed from eth0
[  483.875037] netdevsim netdevsim604 eni604np1: renamed from eth1
[  484.234594] Could not find device with ifindex 2000 in netnsfd 11
[  484.234754] Could not find netns with fd: 2000
[  484.234862] Cannot link a netdevsim to itself
[  484.234952] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).