h1daqnds1 producing bursts of log messages
in the systemd journal, h1daqnds1 is writing messages like:
Jan 21 10:30:37 h1daqnds1 daqd[20800]: Byteswap H1:H1EDC_CHAN_NOCON.max rate=1 type=4
Jan 21 10:30:37 h1daqnds1 daqd[20800]: Byteswap H1:H1EDC_CHAN_NOCON.mean rate=1 type=5
In bursts of many (hundreds?) repeating every 30 seconds.