When bringing down the wireless interface used for hostapd, the messages
overlap:
# ifdown wlan1
Stopping HOSTAP Daemon: stopped /usr/sbin/hostapd (pid 569)
hostapd.
Adding the 'quiet' option to start-stop-daemon command fixes the
cosmetic issue.
# ifdown wlan1
Stopping HOSTAP Daemon: hostapd.
Signed-off-by: Javier Viguera <javier.viguera@digi.com>