[  484.278652] netdevsim netdevsim445 eni445np1: renamed from eth0
[  484.380026] netdevsim netdevsim725 eni725np1: renamed from eth1
[  484.714006] Could not find device with ifindex 2000 in netnsfd 11
[  484.714132] Could not find netns with fd: 2000
[  484.714200] Cannot link a netdevsim to itself
[  484.714283] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).