[  488.278589] netdevsim netdevsim467 eni467np1: renamed from eth0
[  488.278888] netdevsim netdevsim613 eni613np1: renamed from eth1
[  488.347637] Could not find device with ifindex 2000 in netnsfd 11
[  488.347717] Could not find netns with fd: 2000
[  488.347761] Cannot link a netdevsim to itself
[  488.347811] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).