[  484.645930] netdevsim netdevsim407 eni407np1: renamed from eth0
[  484.646431] netdevsim netdevsim706 eni706np1: renamed from eth1
[  484.738689] Could not find device with ifindex 2000 in netnsfd 11
[  484.738787] Could not find netns with fd: 2000
[  484.738831] Cannot link a netdevsim to itself
[  484.738880] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).