[  477.334194] netdevsim netdevsim439 eni439np1: renamed from eth0
[  477.334563] netdevsim netdevsim701 eni701np1: renamed from eth1
[  477.411510] Could not find device with ifindex 2000 in netnsfd 11
[  477.411594] Could not find netns with fd: 2000
[  477.411633] Cannot link a netdevsim to itself
[  477.411687] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).