[  487.683071] netdevsim netdevsim700 eni700np1: renamed from eth1
[  487.780867] netdevsim netdevsim435 eni435np1: renamed from eth0
[  487.989200] Could not find device with ifindex 2000 in netnsfd 11
[  487.989408] Could not find netns with fd: 2000
[  487.989512] Cannot link a netdevsim to itself
[  487.989641] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).