[  488.656738] netdevsim netdevsim693 eni693np1: renamed from eth1
[  488.753452] netdevsim netdevsim339 eni339np1: renamed from eth0
[  488.962066] Could not find device with ifindex 2000 in netnsfd 11
[  488.962300] Could not find netns with fd: 2000
[  488.962381] Cannot link a netdevsim to itself
[  488.962465] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).