More information: I actually have two FreeNas boxes: One where the plugins update works and this one where it does not. Once I compared the debug.log file, I see this is where it diverges.
Working:
Aug 13 09:55:31 daniel4 manage.py: [middleware.notifier:208] Popen()ing: route -nv show -inet6 default|grep 'interface:'|awk '{ print $2 }'
Aug 13 09:55:31 daniel4 manage.py: [plugins.plugin:480] get_remote: repod_id = None, cache = False
Aug 13 09:55:31 daniel4 manage.py: [common.pbi:584] pbi_listrepo.__init__: enter
Aug 13 09:55:31 daniel4 manage.py: [common.pbi:312] pbi_base.__init__: enter
Aug 13 09:55:31 daniel4 manage.py: [common.pbi:313] pbi_base.__init__: path = /usr/local/sbin/pbi_listrepo
Not working:
Aug 13 09:46:27 nas-test1 manage.py: [middleware.notifier:208] Popen()ing: route -nv show -inet6 default|grep 'interface:'|awk '{ print $2 }'
Aug 13 09:46:27 nas-test1 manage.py: [plugins.plugin:480] get_remote: repod_id = None, cache = False
Aug 13 09:46:27 nas-test1 manage.py: [plugins.plugin:486] get_remote: repo_id not specified, repo_id = None
Aug 13 09:46:27 nas-test1 manage.py: [plugins.plugin:495] get_remote: Retrieving available plugins from repo None
Aug 13 09:46:27 nas-test1 manage.py: [common.pbi:716] pbid.__init__: enter
Aug 13 09:46:27 nas-test1 manage.py: [common.pbi:312] pbi_base.__init__: enter
Aug 13 09:46:27 nas-test1 manage.py: [common.pbi:313] pbi_base.__init__: path = /usr/local/sbin/pbid