[  479.049402] netdevsim netdevsim327 eni327np1: renamed from eth0
[  479.150853] netdevsim netdevsim653 eni653np1: renamed from eth1
[  479.463446] Could not find device with ifindex 2000 in netnsfd 11
[  479.463654] Could not find netns with fd: 2000
[  479.463752] Cannot link a netdevsim to itself
[  479.463905] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).