daqd process died, final messages include "start net-writer 1034523398 17204 { long list of channels", "->4 kill net-writer 0", "connection on fd 15 closed", "read(seq_num) from NDS failed; errno=0", "connection closed on fd=16", and "Ask for retransmission of 20 packets; port 7097" which was repeated many times, then "Have to skip 22 packets (retry limit exceeded)" as the last entry. Restarted daqd process.