if [ -f /var/run/$interface.route-fix -a -f /var/run/$interface.conf ]
then
    # get configuration from file, format:
    # local remote (network )* 
    conf=`cat /var/run/$interface.conf`
    set $conf
    shift 2 # remove first two entries

    # setup routes again
    while [ "$1" ]
    do
       ip route add $1 dev $interface
       shift
    done
fi