[  521.604617] netdevsim netdevsim565 eni565np1: renamed from eth1
[  521.701424] netdevsim netdevsim305 eni305np1: renamed from eth0
[  521.970950] Could not find device with ifindex 2000 in netnsfd 11
[  521.971173] Could not find netns with fd: 2000
[  521.971277] Cannot link a netdevsim to itself
[  521.971412] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).