[  484.017305] netdevsim netdevsim287 eni287np1: renamed from eth0
[  484.119218] netdevsim netdevsim606 eni606np1: renamed from eth1
[  484.497818] Could not find device with ifindex 2000 in netnsfd 11
[  484.497950] Could not find netns with fd: 2000
[  484.498017] Cannot link a netdevsim to itself
[  484.498100] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).