[  516.292581] netdevsim netdevsim305 eni305np1: renamed from eth0
[  516.389753] netdevsim netdevsim653 eni653np1: renamed from eth1
[  516.638182] Could not find device with ifindex 2000 in netnsfd 11
[  516.638352] Could not find netns with fd: 2000
[  516.638465] Cannot link a netdevsim to itself
[  516.638582] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).