[#3245] Fixed unused variable warning

src/lib/dhcp/pkt_filter_inet6.cc
    PktFilterInet6::openSocket() - added errmsg to exception text as originally intended

diff --git a/src/lib/dhcp/pkt_filter_inet6.cc b/src/lib/dhcp/pkt_filter_inet6.cc
index 98ea732c29804f56ae10c0907ebbb90bff404486..443e19101d05e45eb7c6c25db339079701a19d13 100644 (file)
--- a/src/lib/dhcp/pkt_filter_inet6.cc
+++ b/src/lib/dhcp/pkt_filter_inet6.cc
@@ -103,7 +103,8 @@ PktFilterInet6::openSocket(const Iface& iface,
     int enable = 1;
     if (setsockopt(sock, SOL_SOCKET, SO_TIMESTAMP, &enable, sizeof(enable))) {
         const char* errmsg = strerror(errno);
-        isc_throw(SocketConfigError, "Can't set SO_TIMESTAMP for " << addr.toText());
+        isc_throw(SocketConfigError, "Could not enable SO_TIMESTAMP for " << addr.toText()
+                  << ", error: " << errmsg);
     }
 #endif