Clean up the code

packet-exchange/src/send_packet.c

@@ -219,33 +219,6 @@ static void print_timestamps(struct msghdr *msg) {
             struct timespec *stamp = (struct timespec *)CMSG_DATA(cmsg);
             printf("SO_TIMESTAMPING ");
             printf("SW %ld.%09ld ", (long)stamp->tv_sec, (long)stamp->tv_nsec);
-            stamp++;
-            printf("HW transformed %ld.%09ld ", (long)stamp->tv_sec,
-                   (long)stamp->tv_nsec);
-            stamp++;
-            printf("HW raw %ld.%09ld", (long)stamp->tv_sec,
-                   (long)stamp->tv_nsec);
-            break;
-          }
-          default:
-            printf("type %d", cmsg->cmsg_type);
-            break;
-        }
-        break;
-      case IPPROTO_IP:
-        printf("IPPROTO_IP ");
-        switch (cmsg->cmsg_type) {
-          case IP_RECVERR: {
-            struct sock_extended_err *err =
-                (struct sock_extended_err *)CMSG_DATA(cmsg);
-            printf("IP_RECVERR ee_errno '%s' ee_origin %d => %s",
-                   strerror(err->ee_errno), err->ee_origin,
-                   "probably SO_EE_ORIGIN_TIMESTAMPING");
-            break;
-          }
-          case IP_PKTINFO: {
-            struct in_pktinfo *pktinfo = (struct in_pktinfo *)CMSG_DATA(cmsg);
-            printf("IP_PKTINFO interface index %u", pktinfo->ipi_ifindex);
             break;
           }
           default: