[  487.704993] netdevsim netdevsim326 eni326np1: renamed from eth0
[  487.705595] netdevsim netdevsim680 eni680np1: renamed from eth1
[  487.804698] Could not find device with ifindex 2000 in netnsfd 11
[  487.804844] Could not find netns with fd: 2000
[  487.804948] Cannot link a netdevsim to itself
[  487.805062] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).