[  469.134787] netdevsim netdevsim395 eni395np1: renamed from eth0
[  469.232329] netdevsim netdevsim703 eni703np1: renamed from eth1
[  469.413686] Could not find device with ifindex 2000 in netnsfd 11
[  469.413870] Could not find netns with fd: 2000
[  469.413952] Cannot link a netdevsim to itself
[  469.414067] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).