dhcp: downgrade "got raw socket fd" message to log3, make log2 default max

log3 messages are very much redundant

function                                             old     new   delta
change_listen_mode                                   322     302     -20

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
diff --git a/networking/udhcp/Config.src b/networking/udhcp/Config.src
index f16fc0a..8ef2474 100644
--- a/networking/udhcp/Config.src
+++ b/networking/udhcp/Config.src
@@ -116,7 +116,7 @@
 
 config UDHCP_DEBUG
 	int "Maximum verbosity level (0..9)"
-	default 9
+	default 2
 	range 0 9
 	depends on UDHCPD || UDHCPC || UDHCPC6 || DHCPRELAY
 	help
diff --git a/networking/udhcp/d6_dhcpc.c b/networking/udhcp/d6_dhcpc.c
index 02766ba..422b888 100644
--- a/networking/udhcp/d6_dhcpc.c
+++ b/networking/udhcp/d6_dhcpc.c
@@ -981,7 +981,7 @@
 	log2("opening raw socket on ifindex %d", ifindex);
 
 	fd = xsocket(PF_PACKET, SOCK_DGRAM, htons(ETH_P_IPV6));
-	log2("got raw socket fd %d", fd);
+	log3("got raw socket fd %d", fd);
 
 	memset(&sock, 0, sizeof(sock)); /* let's be deterministic */
 	sock.sll_family = AF_PACKET;
diff --git a/networking/udhcp/dhcpc.c b/networking/udhcp/dhcpc.c
index f040e93..739870b 100644
--- a/networking/udhcp/dhcpc.c
+++ b/networking/udhcp/dhcpc.c
@@ -1017,7 +1017,7 @@
 	 * SOCK_DGRAM: remove link-layer headers on input (SOCK_RAW keeps them)
 	 * ETH_P_IP: want to receive only packets with IPv4 eth type
 	 */
-	log2("got raw socket fd");
+	log3("got raw socket fd %d", fd);
 
 	memset(&sock, 0, sizeof(sock)); /* let's be deterministic */
 	sock.sll_family = AF_PACKET;