mini_snmpd: Allow up to 8 network interfaces

This changes the init script to allow to monitor up to 8 network
interfaces.  The support for up to 8 network interfaces was added to
mini_snmpd release 1.3 in November 2015.

Signed-off-by: Marcel Telka <marcel@telka.sk>

net/mini_snmpd/files/mini_snmpd.init

@@ -77,7 +77,7 @@ append_interface() {
 	# for the purposes of snmp monitoring it doesn't need to be up, it just needs to exist in /proc/net/dev
 	network_get_device netdev "$name"
 	if [ -n "$netdev" ] && grep -qF "$netdev" /proc/net/dev ]; then
-		[ $netdev_count -ge 4 ] && {
+		[ $netdev_count -ge 8 ] && {
 			_err "$cfg: too many network interfaces configured, ignoring $name"
 			return
 		}