Unable to connect to host 127.0.0.1 on port 7059 after 45000 ms. Firefox console output:

      (process:24895): GLib-CRITICAL **: g_slice_set_config: assertion `sys_page_size == 0' failed
      *** LOG addons.manager: Application has been upgraded
      *** LOG addons.xpi: startup
      *** LOG addons.xpi: Ignoring file entry whose name is not a valid add-on ID: /tmp/anonymous1474698506694683648webdriver-profile/extensions/webdriver-staging
      *** LOG addons.xpi: checkForChanges
      *** LOG addons.xpi-utils: Opening database
      *** LOG addons.xpi-utils: Creating database schema
      *** LOG addons.xpi: New add-on [email protected] installed in app-profile
      *** Blocklist::_loadBlocklistFromFile: blocklist is disabled
      *** LOG addons.xpi: New add-on [email protected] installed in app-global
      *** LOG addons.xpi: New add-on [email protected] installed in app-global
      *** LOG addons.xpi: New add-on [email protected] installed in app-global
      *** LOG addons.xpi: New add-on {972ce4c6-7e08-4474-a285-3208198ce6fd} installed in app-global
      *** LOG addons.xpi: New add-on [email protected] installed in app-global
      *** LOG addons.xpi: New add-on [email protected] installed in app-system-share
      *** LOG addons.xpi: Loading bootstrap scope from /usr/share/mozilla/extensions/{ec8030f7-c20a-464f-9b0e-13a3a9e97384}/[email protected]
      *** WARN addons.xpi: Add-on [email protected] is missing bootstrap method install
      *** LOG addons.xpi: New add-on [email protected] installed in app-system-share
      *** LOG addons.xpi: New add-on {2e1445b0-2682-11e1-bfc2-0800200c9a66} installed in app-system-share
      *** LOG addons.xpi: New add-on [email protected] installed in app-system-local
      *** LOG addons.xpi: Updating database with changes to installed add-ons
      *** LOG addons.xpi-utils: Updating add-on states
      *** LOG addons.xpi-utils: Writing add-ons list
      *** LOG addons.manager: shutdown
      *** LOG addons.xpi: shutdown
      *** LOG addons.xpi-utils: shutdown
      *** LOG addons.xpi-utils: Database closed

      (process:24933): GLib-CRITICAL **: g_slice_set_config: assertion `sys_page_size == 0' failed