[  520.378045] netdevsim netdevsim380 eni380np1: renamed from eth0
[  520.475020] netdevsim netdevsim693 eni693np1: renamed from eth1
[  520.709946] Could not find device with ifindex 2000 in netnsfd 11
[  520.710178] Could not find netns with fd: 2000
[  520.710282] Cannot link a netdevsim to itself
[  520.710387] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).