[  481.350684] netdevsim netdevsim487 eni487np1: renamed from eth0
[  481.451941] netdevsim netdevsim747 eni747np1: renamed from eth1
[  481.812623] Could not find device with ifindex 2000 in netnsfd 11
[  481.812773] Could not find netns with fd: 2000
[  481.812858] Cannot link a netdevsim to itself
[  481.812948] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).