[  484.201608] netdevsim netdevsim425 eni425np1: renamed from eth0
[  484.303712] netdevsim netdevsim635 eni635np1: renamed from eth1
[  484.621838] Could not find device with ifindex 2000 in netnsfd 11
[  484.621961] Could not find netns with fd: 2000
[  484.622027] Cannot link a netdevsim to itself
[  484.622109] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).