--- instance0 ---
peripheral start
_IRQ_CENTRAL_CONNECT
_IRQ_MTU_EXCHANGED
_IRQ_GATTS_READ_REQUEST
_IRQ_GATTS_READ_REQUEST
_IRQ_CENTRAL_DISCONNECT
--- instance1 ---
central start
_IRQ_PERIPHERAL_CONNECT
test_deep_calls finished
_IRQ_GATTC_SERVICE_RESULT
service found: 3 UUID('a5a5a5a5-ffff-9999-1111-5a5a5a5a5a5a')
_IRQ_GATTC_SERVICE_DONE
service handle range: 3
_IRQ_GATTC_CHARACTERISTIC_RESULT
characteristic found: UUID('a5a5a5a5-eeee-9999-1111-5a5a5a5a5a5a')
_IRQ_GATTC_CHARACTERISTIC_DONE
_IRQ_GATTC_DESCRIPTOR_RESULT
_IRQ_GATTC_DESCRIPTOR_RESULT
_IRQ_GATTC_DESCRIPTOR_RESULT
CCCD found: UUID(0x2902)
_IRQ_GATTC_DESCRIPTOR_DONE
_IRQ_MTU_EXCHANGED
CCCD write
_IRQ_GATTC_WRITE_DONE
CCCD write result: 0
issue gattc_read
_IRQ_GATTC_READ_RESULT
gattc_read result: b''
_IRQ_GATTC_READ_DONE
_IRQ_GATTC_READ_RESULT
gattc_read result: b''
_IRQ_GATTC_READ_DONE
_IRQ_PERIPHERAL_DISCONNECT
connection closed