[  522.715576] netdevsim netdevsim704 eni704np1: renamed from eth1
[  522.813062] netdevsim netdevsim352 eni352np1: renamed from eth0
[  523.039476] Could not find device with ifindex 2000 in netnsfd 11
[  523.039722] Could not find netns with fd: 2000
[  523.039816] Cannot link a netdevsim to itself
[  523.039943] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).