ebook-viewer broken?

Callibre 2.60

Don't use it a lot, but trying to use it this morning, first from the app and then command line:

DeDRM v6.1.0: In __init__
DeDRM v6.1.0: In load_resources
DeDRM v6.1.0: verdir /home/jerryg/.config/calibre/plugins/DeDRM/6.1.0
DeDRM v6.1.0: In initialize
Traceback (most recent call last):
File "site.py", line 66, in main
File "site-packages/calibre/gui_launch.py", line 69, in ebook_viewer
File "site-packages/calibre/gui2/viewer/main.py", line 27, in <module>
File "site-packages/calibre/utils/monotonic.py", line 7, in <module>
RuntimeError: Failed to load the monotonic module with error: /opt/calibre/lib/python2.7/site-packages/calibre/plugins/monotonic.so: undefined symbol: clock_gettime

Edit:
Tried a re-install - Install failures - Ideas??

Failed to find directory to install bash completions, using default.

____________________ WARNING ____________________
Setting up completion failed with error:
__________________________________________________


Traceback (most recent call last):
File "site-packages/calibre/linux.py", line 748, in setup_completion
File "site-packages/calibre/linux.py", line 506, in write_completion
File "site-packages/calibre/gui2/viewer/main.py", line 27, in <module>
File "site-packages/calibre/utils/monotonic.py", line 7, in <module>
RuntimeError: Failed to load the monotonic module with error: /opt/calibre/lib/python2.7/site-packages/calibre/plugins/monotonic.so: undefined symbol: clock_gettime