[  469.770426] netdevsim netdevsim258 eni258np1: renamed from eth0
[  469.868397] netdevsim netdevsim697 eni697np1: renamed from eth1
[  470.057081] Could not find device with ifindex 2000 in netnsfd 11
[  470.057271] Could not find netns with fd: 2000
[  470.057363] Cannot link a netdevsim to itself
[  470.057486] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).