Just started using minera for my 3 gridseed blade pcb's.
At start the system says i got 3 local miners.
But 3minutes later i got 15 :S

hashing at pool says about 9mh/s. so thats ok.
Is this a bug?

Same problem for BFGminer as for Cgminer (cgdmaxlzeus)

https://i.gyazo.com/e5c10f42bc5ced9e0b15a830322a7f95.png

from log:
 [2015-11-25 22:40:34] GSD 0: Failed to send work
 [2015-11-25 22:40:34] GSD 3: Failed to send work
 [2015-11-25 22:40:34] GSD 1: Failed to send work
 [2015-11-25 22:40:35] Found GSD 4aa at /dev/serial/by-id/usb-STMicroelectronics_STM32_Virtual_COM_Port_48D8685D3031-if00
 [2015-11-25 22:40:35] Found GSD 5aa at /dev/ttyACM5
 [2015-11-25 22:40:35] Found GSD 6aa at /dev/ttyACM4