BUILD_OK
DF-5249 cmdq machinery race simulation over 5s
  executed callbacks   : 31095286
  torn NULL-arg calls  : 6787  (kernel: run_update_beacon_cb(NULL) = NULL deref)
  identity mismatches  : 249405  (kernel: func() run with another cmd's args)
  slot wrap overwrites : 29388609  (kernel: deferred cmd lost/replaced)