[  523.635184] netdevsim netdevsim369 eni369np1: renamed from eth0
[  523.731758] netdevsim netdevsim684 eni684np1: renamed from eth1
[  523.963094] Could not find device with ifindex 2000 in netnsfd 11
[  523.963290] Could not find netns with fd: 2000
[  523.963366] Cannot link a netdevsim to itself
[  523.963457] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).