[  833.787445][T14798] netdevsim netdevsim430 eni430np1: renamed from eth0
[  833.806331][T14800] netdevsim netdevsim612 eni612np1: renamed from eth1
[  834.430123][T14786] Could not find device with ifindex 2000 in netnsfd 11
[  834.431023][T14786] Could not find netns with fd: 2000
[  834.431497][T14786] Cannot link a netdevsim to itself
[  834.432055][T14786] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).