[  427.429462] netdevsim netdevsim347 eni347np1: renamed from eth0
[  427.530238] netdevsim netdevsim708 eni708np1: renamed from eth1
[  427.901373] Could not find device with ifindex 2000 in netnsfd 11
[  427.901510] Could not find netns with fd: 2000
[  427.901601] Cannot link a netdevsim to itself
[  427.901692] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).