[  478.272938] netdevsim netdevsim471 eni471np1: renamed from eth0
[  478.273260] netdevsim netdevsim701 eni701np1: renamed from eth1
[  478.359941] Could not find device with ifindex 2000 in netnsfd 11
[  478.360037] Could not find netns with fd: 2000
[  478.360082] Cannot link a netdevsim to itself
[  478.360143] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).