[  509.876995] netdevsim netdevsim488 eni488np1: renamed from eth0
[  509.974957] netdevsim netdevsim700 eni700np1: renamed from eth1
[  510.210367] Could not find device with ifindex 2000 in netnsfd 11
[  510.210589] Could not find netns with fd: 2000
[  510.210683] Cannot link a netdevsim to itself
[  510.210786] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).