[  483.462022] netdevsim netdevsim381 eni381np1: renamed from eth0
[  483.462470] netdevsim netdevsim662 eni662np1: renamed from eth1
[  483.536952] Could not find device with ifindex 2000 in netnsfd 11
[  483.537036] Could not find netns with fd: 2000
[  483.537083] Cannot link a netdevsim to itself
[  483.537133] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).