[  538.157619] netdevsim netdevsim584 eni584np1: renamed from eth1
[  538.254745] netdevsim netdevsim425 eni425np1: renamed from eth0
[  538.489858] Could not find device with ifindex 2000 in netnsfd 11
[  538.490022] Could not find netns with fd: 2000
[  538.490130] Cannot link a netdevsim to itself
[  538.490295] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).