[  817.037064][T14620] netdevsim netdevsim407 eni407np1: renamed from eth0
[  817.047179][T14622] netdevsim netdevsim667 eni667np1: renamed from eth1
[  817.718060][T14608] Could not find device with ifindex 2000 in netnsfd 11
[  817.718913][T14608] Could not find netns with fd: 2000
[  817.719392][T14608] Cannot link a netdevsim to itself
[  817.719838][T14608] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).