[  515.192531] netdevsim netdevsim705 eni705np1: renamed from eth1
[  515.290035] netdevsim netdevsim306 eni306np1: renamed from eth0
[  515.513640] Could not find device with ifindex 2000 in netnsfd 11
[  515.513852] Could not find netns with fd: 2000
[  515.513957] Cannot link a netdevsim to itself
[  515.514102] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).