[  484.539319] netdevsim netdevsim305 eni305np1: renamed from eth0
[  484.640128] netdevsim netdevsim754 eni754np1: renamed from eth1
[  484.971831] Could not find device with ifindex 2000 in netnsfd 11
[  484.971968] Could not find netns with fd: 2000
[  484.972052] Cannot link a netdevsim to itself
[  484.972163] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).