[  484.710440] netdevsim netdevsim707 eni707np1: renamed from eth1
[  484.810417] netdevsim netdevsim496 eni496np1: renamed from eth0
[  485.189699] Could not find device with ifindex 2000 in netnsfd 11
[  485.189840] Could not find netns with fd: 2000
[  485.189917] Cannot link a netdevsim to itself
[  485.190026] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).