[  458.136594] netdevsim netdevsim704 eni704np1: renamed from eth1
[  458.137267] netdevsim netdevsim347 eni347np1: renamed from eth0
[  458.223478] Could not find device with ifindex 2000 in netnsfd 11
[  458.223561] Could not find netns with fd: 2000
[  458.223609] Cannot link a netdevsim to itself
[  458.223664] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).