[  917.780804][ T9686] netdevsim netdevsim342 eni342np1: renamed from eth0
[  917.892794][ T9684] netdevsim netdevsim669 eni669np1: renamed from eth1
[  919.809871][ T9678] Could not find device with ifindex 2000 in netnsfd 11
[  919.810900][ T9678] Could not find netns with fd: 2000
[  919.811701][ T9678] Cannot link a netdevsim to itself
[  919.812498][ T9678] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).