[   14.209968][  T242] netdevsim netdevsim515 eni515np1: renamed from eth1
[   14.305550][  T244] netdevsim netdevsim380 eni380np1: renamed from eth0
[   16.707747][  T230] Could not find device with ifindex 2000 in netnsfd 11
[   16.709106][  T230] Could not find netns with fd: 2000
[   16.710230][  T230] Cannot link a netdevsim to itself
[   16.711482][  T230] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).