D target set by user is: rk1808
D Starting ntp or adb, target is RK1808, host is None
D Start ntp...
I npu_transfer_proxy pid: 2088, status: sleeping
I NPUTransfer: Starting NPU Transfer Client, Transfer version 2.0.0 (8f9ebbc@2020-04-03T09:12:30)
D NPUTransfer: Transfer spec = local:transfer_proxy
D NPUTransfer: Transfer interface successfully opened, fd = 3