[  484.087638] netdevsim netdevsim470 eni470np1: renamed from eth0
[  484.188627] netdevsim netdevsim527 eni527np1: renamed from eth1
[  484.509031] Could not find device with ifindex 2000 in netnsfd 11
[  484.509145] Could not find netns with fd: 2000
[  484.509207] Cannot link a netdevsim to itself
[  484.509286] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).