What does "[warning] [vmtoolsd] The vmusr service needs to run inside a virtual machine" in my logs mean?

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[khaled@lenovo ~]$ journalctl -f
-- Logs begin at Mon 2014-01-20 18:33:14 CET. --
Jan 29 18:37:17 lenovo.fedora20 su[4301]: pam_unix(su-l:auth): authentication failure; logname=khaled uid=1000 euid=0 tty=pts/0 ruser=khaled rhost=  user=root
Jan 29 18:37:17 lenovo.fedora20 su[4301]: pam_succeed_if(su-l:auth): requirement "uid >= 1000" not met by user "root"
Jan 29 18:37:19 lenovo.fedora20 su[4301]: FAILED SU (to root) khaled on pts/0
Jan 29 18:37:28 lenovo.fedora20 su[4307]: (to root) khaled on pts/0
Jan 29 18:37:28 lenovo.fedora20 su[4307]: pam_unix(su-l:session): session opened for user root by khaled(uid=1000)
Jan 29 18:47:34 lenovo.fedora20 vmusr[4565]: [ warning] [GLib-GObject] Attempt to add property ToolsCoreService::tcs-app-ctx after class was initialised
Jan 29 18:47:34 lenovo.fedora20 vmusr[4565]: [ warning] [GLib-GObject] Attempt to add property ToolsCoreService::tcs-prop-thread-pool after class was initialised
Jan 29 18:47:34 lenovo.fedora20 vmusr[4565]: [ warning] [vmtoolsd] The vmusr service needs to run inside a virtual machine.
Jan 29 18:49:43 lenovo.fedora20 su[4635]: (to root) khaled on pts/0
Jan 29 18:49:43 lenovo.fedora20 su[4635]: pam_unix(su:session): session opened for user root by khaled(uid=1000)