A logging message, output with PX4_WARN, PX4_ERR, PX4_INFO
# A logging message, output with PX4_WARN, PX4_ERR, PX4_INFO
uint64 timestamp # time since system start (microseconds)
uint8 severity # log level (same as in the linux kernel, starting with 0)
char[127] text
uint8 ORB_QUEUE_LENGTH = 4