[  187.264782][ T4591] netdevsim netdevsim268 eni268np1: renamed from eth0
[  187.293315][ T4594] netdevsim netdevsim617 eni617np1: renamed from eth1
[  188.052321][ T4579] Could not find device with ifindex 2000 in netnsfd 11
[  188.053243][ T4579] Could not find netns with fd: 2000
[  188.053742][ T4579] Cannot link a netdevsim to itself
[  188.054283][ T4579] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).