[  471.530630] netdevsim netdevsim314 eni314np1: renamed from eth0
[  471.532281] netdevsim netdevsim743 eni743np1: renamed from eth1
[  471.613869] Could not find device with ifindex 2000 in netnsfd 11
[  471.613958] Could not find netns with fd: 2000
[  471.614006] Cannot link a netdevsim to itself
[  471.614064] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).