[  864.855183][T15844] netdevsim netdevsim337 eni337np1: renamed from eth0
[  864.890255][T15843] netdevsim netdevsim570 eni570np1: renamed from eth1
[  865.616888][T15830] Could not find device with ifindex 2000 in netnsfd 11
[  865.617594][T15830] Could not find netns with fd: 2000
[  865.618054][T15830] Cannot link a netdevsim to itself
[  865.618592][T15830] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).