[  474.363576] netdevsim netdevsim339 eni339np1: renamed from eth0
[  474.364045] netdevsim netdevsim558 eni558np1: renamed from eth1
[  474.442679] Could not find device with ifindex 2000 in netnsfd 11
[  474.442792] Could not find netns with fd: 2000
[  474.442884] Cannot link a netdevsim to itself
[  474.442984] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).