[   38.032359][  T843] netdevsim netdevsim430 eni430np1: renamed from eth0
[   38.125788][  T794] netdevsim netdevsim758 eni758np1: renamed from eth1
[   39.974253][  T838] Could not find device with ifindex 2000 in netnsfd 11
[   39.975772][  T838] Could not find netns with fd: 2000
[   39.976938][  T838] Cannot link a netdevsim to itself
[   39.978198][  T838] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).