[  488.375325] netdevsim netdevsim292 eni292np1: renamed from eth0
[  488.472614] netdevsim netdevsim722 eni722np1: renamed from eth1
[  488.658344] Could not find device with ifindex 2000 in netnsfd 11
[  488.658550] Could not find netns with fd: 2000
[  488.658621] Cannot link a netdevsim to itself
[  488.658708] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).