[  522.242049] netdevsim netdevsim376 eni376np1: renamed from eth0
[  522.338802] netdevsim netdevsim551 eni551np1: renamed from eth1
[  522.578613] Could not find device with ifindex 2000 in netnsfd 11
[  522.578777] Could not find netns with fd: 2000
[  522.578861] Cannot link a netdevsim to itself
[  522.578957] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).