[  497.215572] netdevsim netdevsim731 eni731np1: renamed from eth1
[  497.310805] netdevsim netdevsim366 eni366np1: renamed from eth0
[  497.564275] Could not find device with ifindex 2000 in netnsfd 11
[  497.564645] Could not find netns with fd: 2000
[  497.564754] Cannot link a netdevsim to itself
[  497.564867] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).