[  493.431597] netdevsim netdevsim430 eni430np1: renamed from eth0
[  493.528013] netdevsim netdevsim639 eni639np1: renamed from eth1
[  493.775923] Could not find device with ifindex 2000 in netnsfd 11
[  493.776283] Could not find netns with fd: 2000
[  493.776380] Cannot link a netdevsim to itself
[  493.776492] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).