[  484.421404] netdevsim netdevsim472 eni472np1: renamed from eth0
[  484.522206] netdevsim netdevsim625 eni625np1: renamed from eth1
[  484.855552] Could not find device with ifindex 2000 in netnsfd 11
[  484.855733] Could not find netns with fd: 2000
[  484.855823] Cannot link a netdevsim to itself
[  484.855929] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).