kernel #1 (kern_timeout.diff), STOCK ng7 modules:
  === FIXED KERNEL: l2cap_con con ===
  LP_CON_IND          -> ok
  HCI_NODE_UP         -> ok
  LP_CON_CFM (pos)    -> ok   (connection accepted -> CON_OPEN)
  ECHO_RSP            -> received 17 bytes (code=0) -- connection OPEN, echo works
  exit=0          <-- no teardown panic