Killed... messages while running haddock

Are these messages during the running of haddock any concern?

[1] 37579
[1] 37644
[1] 37968
[1] 38300
[1] 38362
[1] + Killed python protocols/KeepAlive.py complex_run1_it0_refine_121.out
[1] + Killed python protocols/KeepAlive.py complex_run1_it0_refine_122.out
[1] + Killed python protocols/KeepAlive.py complex_run1_it0_refine_123.out
[1] + Killed python protocols/KeepAlive.py complex_run1_it0_refine_124.out
[1] + Killed python protocols/KeepAlive.py complex_run1_it0_refine_125.out

Nothing wrong

If you look at the content of one job file (e.g. complex_it1_refine_1.job) you will see a python process is started before calling cns, which is monitoring the job to detect failures. Upon completion of cns this process is killed, hence the messages you are seeing.