[  894.823281][ T9692] netdevsim netdevsim693 eni693np1: renamed from eth1
[  894.857946][ T9696] netdevsim netdevsim461 eni461np1: renamed from eth0
[  896.829475][ T9686] Could not find device with ifindex 2000 in netnsfd 11
[  896.830844][ T9686] Could not find netns with fd: 2000
[  896.831837][ T9686] Cannot link a netdevsim to itself
[  896.833021][ T9686] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).