An updated xguest package that fixes a bug is now available.
The xguest package sets up the xguest user which can be used as a temporary account to switch to or as a kiosk user account. These accounts are disabled unless SELinux is in enforcing mode.
Previously, xguest installed its 'sabayon' profile file in the wrong directory. This would cause packagekit and seapplet to be started by default for the xguest user. With this update, the 'sabayon' profile file is installed in the correct directory.
All users of xguest are advised to upgrade to this updated package, which resolves this issue.