ntpq mrulist is broken
There are several symptoms.
ntpq> mru
Ctrl-C will stop MRU retrieval and display partial results.
Command `mrulist' is unknown
ntpq>
[There are active slots on this system.
ntpq> mrulist
Ctrl-C will stop MRU retrieval and display partial results.
Traceback (most recent call last):
File "/usr/local/bin/ntpq", line 1722, in <module>
interpreter.cmdloop()
File "/usr/lib64/python3.7/cmd.py", line 138, in cmdloop
stop = self.onecmd(line)
File "/usr/lib64/python3.7/cmd.py", line 217, in onecmd
return func(arg)
File "/usr/local/bin/ntpq", line 1256, in do_mrulist
rawhook=mruhook, direct=direct)
File "/usr/local/lib64/python3.7/site-packages/ntp/packet.py", line 1497, in mrulist
stitch_mru(span, sorter, sortkey)
File "/usr/local/lib64/python3.7/site-packages/ntp/packet.py", line 1595, in stitch_mru
deletia += sorted(addrdict[addr], key=lambda x: x[1])[:-1]
TypeError: '<' not supported between instances of 'NoneType' and 'NoneType'
[murray@hgm ~]$