salt: salt-master errors in syslog

Description of Issue/Question

The following error(s) keeps recurring in my syslog, even when I was not doing anything:

Feb 10 14:33:00 echo salt-master[2373]: [ERROR   ] Failed to import utils win_dacl, this is due most likely to a syntax error:
Feb 10 14:33:00 echo salt-master[2373]: Traceback (most recent call last):
Feb 10 14:33:00 echo salt-master[2373]:   File "/usr/lib/python2.7/dist-packages/salt/loader.py", line 1334, in _load_module
Feb 10 14:33:00 echo salt-master[2373]:     ), fn_, fpath, desc)
Feb 10 14:33:00 echo salt-master[2373]:   File "/usr/lib/python2.7/dist-packages/salt/utils/win_dacl.py", line 154, in <module>
Feb 10 14:33:00 echo salt-master[2373]:     class Flags(object):
Feb 10 14:33:00 echo salt-master[2373]:   File "/usr/lib/python2.7/dist-packages/salt/utils/win_dacl.py", line 366, in Flags
Feb 10 14:33:00 echo salt-master[2373]:     'grant': win32security.ACCESS_ALLOWED_ACE_TYPE,
Feb 10 14:33:00 echo salt-master[2373]: NameError: name 'win32security' is not defined
Feb 10 14:33:00 echo salt-master[2373]: [ERROR   ] Failed to import utils saltminionservice, this is due most likely to a syntax error:
Feb 10 14:33:00 echo salt-master[2373]: Traceback (most recent call last):
Feb 10 14:33:00 echo salt-master[2373]:   File "/usr/lib/python2.7/dist-packages/salt/loader.py", line 1334, in _load_module
Feb 10 14:33:00 echo salt-master[2373]:     ), fn_, fpath, desc)
Feb 10 14:33:00 echo salt-master[2373]:   File "/usr/lib/python2.7/dist-packages/salt/utils/saltminionservice.py", line 8, in <module>
Feb 10 14:33:00 echo salt-master[2373]:     from salt.utils.winservice import Service, instart
Feb 10 14:33:00 echo salt-master[2373]:   File "/usr/lib/python2.7/dist-packages/salt/utils/winservice.py", line 33, in <module>
Feb 10 14:33:00 echo salt-master[2373]:     class Service(win32serviceutil.ServiceFramework):
Feb 10 14:33:00 echo salt-master[2373]: NameError: name 'win32serviceutil' is not defined
Feb 10 14:33:00 echo salt-master[2373]: [ERROR   ] Failed to import utils winservice, this is due most likely to a syntax error:
Feb 10 14:33:00 echo salt-master[2373]: Traceback (most recent call last):
Feb 10 14:33:00 echo salt-master[2373]:   File "/usr/lib/python2.7/dist-packages/salt/loader.py", line 1334, in _load_module
Feb 10 14:33:00 echo salt-master[2373]:     ), fn_, fpath, desc)
Feb 10 14:33:00 echo salt-master[2373]:   File "/usr/lib/python2.7/dist-packages/salt/utils/winservice.py", line 33, in <module>
Feb 10 14:33:00 echo salt-master[2373]:     class Service(win32serviceutil.ServiceFramework):
Feb 10 14:33:00 echo salt-master[2373]: NameError: name 'win32serviceutil' is not defined
Feb 10 14:33:01 echo salt-master[2373]: [ERROR   ] Failed to import utils win_osinfo, this is due most likely to a syntax error:
Feb 10 14:33:01 echo salt-master[2373]: Traceback (most recent call last):
Feb 10 14:33:01 echo salt-master[2373]:   File "/usr/lib/python2.7/dist-packages/salt/loader.py", line 1334, in _load_module
Feb 10 14:33:01 echo salt-master[2373]:     ), fn_, fpath, desc)
Feb 10 14:33:01 echo salt-master[2373]:   File "/usr/lib/python2.7/dist-packages/salt/utils/win_osinfo.py", line 32, in <module>
Feb 10 14:33:01 echo salt-master[2373]:     class OSVERSIONINFO(ctypes.Structure):
Feb 10 14:33:01 echo salt-master[2373]:   File "/usr/lib/python2.7/dist-packages/salt/utils/win_osinfo.py", line 33, in OSVERSIONINFO
Feb 10 14:33:01 echo salt-master[2373]:     _fields_ = (('dwOSVersionInfoSize', DWORD),
Feb 10 14:33:01 echo salt-master[2373]: NameError: name 'DWORD' is not defined
Feb 10 14:33:01 echo salt-master[2373]: [ERROR   ] Exception raised when processing __virtual__ function for boto_kinesis. Module will not be loaded 'boto3.assign_funcs'
Feb 10 14:33:01 echo salt-master[2373]: [WARNING ] salt.loaded.int.module.boto_kinesis.__virtual__() is wrongly returning `None`. It should either return `True`, `False` or a new name. If you're the developer of the module 'boto_kinesis', please fix this.

Versions Report

# salt --versions-report
Salt Version:
           Salt: 2016.11.0-703-g8cd74af

Dependency Versions:
           cffi: Not Installed
       cherrypy: Not Installed
       dateutil: 2.4.2
          gitdb: Not Installed
      gitpython: Not Installed
          ioflo: Not Installed
         Jinja2: 2.8
        libgit2: Not Installed
        libnacl: Not Installed
       M2Crypto: Not Installed
           Mako: Not Installed
   msgpack-pure: Not Installed
 msgpack-python: 0.4.6
   mysql-python: Not Installed
      pycparser: Not Installed
       pycrypto: 2.6.1
         pygit2: Not Installed
         Python: 2.7.12 (default, Nov 19 2016, 06:48:10)
   python-gnupg: Not Installed
         PyYAML: 3.11
          PyZMQ: 15.2.0
           RAET: Not Installed
          smmap: Not Installed
        timelib: Not Installed
        Tornado: 4.2.1
            ZMQ: 4.1.4

System Versions:
           dist: Ubuntu 16.04 xenial
        machine: x86_64
        release: 4.4.0-62-generic
         system: Linux
        version: Ubuntu 16.04 xenial