[  475.005975] netdevsim netdevsim497 eni497np1: renamed from eth0
[  475.006676] netdevsim netdevsim760 eni760np1: renamed from eth1
[  475.091283] Could not find device with ifindex 2000 in netnsfd 11
[  475.091413] Could not find netns with fd: 2000
[  475.091522] Cannot link a netdevsim to itself
[  475.091634] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).