[  514.183863] netdevsim netdevsim430 eni430np1: renamed from eth0
[  514.282100] netdevsim netdevsim573 eni573np1: renamed from eth1
[  514.499151] Could not find device with ifindex 2000 in netnsfd 11
[  514.499336] Could not find netns with fd: 2000
[  514.499416] Cannot link a netdevsim to itself
[  514.499510] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).