[  995.520924][ T9706] netdevsim netdevsim438 eni438np1: renamed from eth0
[  995.602301][ T9704] netdevsim netdevsim731 eni731np1: renamed from eth1
[  998.097138][ T9698] Could not find device with ifindex 2000 in netnsfd 11
[  998.098335][ T9698] Could not find netns with fd: 2000
[  998.099563][ T9698] Cannot link a netdevsim to itself
[  998.101687][ T9698] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).