[  513.969019] netdevsim netdevsim614 eni614np1: renamed from eth1
[  514.066680] netdevsim netdevsim316 eni316np1: renamed from eth0
[  514.286464] Could not find device with ifindex 2000 in netnsfd 11
[  514.286636] Could not find netns with fd: 2000
[  514.286712] Cannot link a netdevsim to itself
[  514.286813] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).