[udp] log information about detected kernel MTU

Signed-off-by: Fabio M. Di Nitto <fdinitto@redhat.com>

diff --git a/libknet/transport_udp.c b/libknet/transport_udp.c
index 2baaa58fd2764333461c118a9541c52a3d4fd146..a8f24d36eb58087a58118e3c9926000787cb4deb 100644 (file)
--- a/libknet/transport_udp.c
+++ b/libknet/transport_udp.c
@@ -337,6 +337,7 @@ static int read_errs_from_sock(knet_handle_t knet_h, int sockfd)
                                                                        break;
                                                                } else {
                                                                        knet_h->kernel_mtu = sock_err->ee_info;
+                                                                       log_debug(knet_h, KNET_SUB_TRANSP_UDP, "detected kernel MTU: %u", knet_h->kernel_mtu);
                                                                        pthread_mutex_unlock(&knet_h->kmtu_mutex);
                                                                }