The previos approch did not detect new packages, like new kernels.

To make it compatible with 'apt-get changelog'

Signed-off-by: Alexandre Derumier <aderumier@odiso.com>

Else get get undefined values.

 * use the same log file as pveproxy: /var/log/pveproxy/access.log

 * log early just after establishing the connection.