[  484.190185] netdevsim netdevsim471 eni471np1: renamed from eth0
[  484.190750] netdevsim netdevsim584 eni584np1: renamed from eth1
[  484.278442] Could not find device with ifindex 2000 in netnsfd 11
[  484.278567] Could not find netns with fd: 2000
[  484.278669] Cannot link a netdevsim to itself
[  484.278782] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).