[  493.059560] netdevsim netdevsim430 eni430np1: renamed from eth0
[  493.154621] netdevsim netdevsim709 eni709np1: renamed from eth1
[  493.408604] Could not find device with ifindex 2000 in netnsfd 11
[  493.408920] Could not find netns with fd: 2000
[  493.408993] Cannot link a netdevsim to itself
[  493.409078] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).