[  823.967933][ T9680] netdevsim netdevsim625 eni625np1: renamed from eth1
[  823.994861][ T9684] netdevsim netdevsim410 eni410np1: renamed from eth0
[  825.522373][ T9674] Could not find device with ifindex 2000 in netnsfd 11
[  825.523239][ T9674] Could not find netns with fd: 2000
[  825.523854][ T9674] Cannot link a netdevsim to itself
[  825.524511][ T9674] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).