[  790.005757][T14749] netdevsim netdevsim336 eni336np1: renamed from eth0
[  790.017026][T14751] netdevsim netdevsim726 eni726np1: renamed from eth1
[  790.656318][T14737] Could not find device with ifindex 2000 in netnsfd 11
[  790.656966][T14737] Could not find netns with fd: 2000
[  790.657448][T14737] Cannot link a netdevsim to itself
[  790.658502][T14737] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).