[  474.243009] netdevsim netdevsim468 eni468np1: renamed from eth0
[  474.243572] netdevsim netdevsim747 eni747np1: renamed from eth1
[  474.331449] Could not find device with ifindex 2000 in netnsfd 11
[  474.331542] Could not find netns with fd: 2000
[  474.331594] Cannot link a netdevsim to itself
[  474.331640] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).