ben's suggested patch for https://github.com/open-mpi/ompi/pull/2007

jeff-straddr.patch

diff --git a/opal/mca/btl/usnic/btl_usnic_module.c b/opal/mca/btl/usnic/btl_usnic_mod
ule.c
index cdc301b..ffcfa21 100644
--- a/opal/mca/btl/usnic/btl_usnic_module.c
+++ b/opal/mca/btl/usnic/btl_usnic_module.c
@@ -83,6 +83,10 @@ static int add_procs_block_create_endpoints(opal_btl_usnic_module_
t *module,
     int rc;
     opal_proc_t* my_proc;
     size_t num_created = 0;
+    char priority_address[64] = {0};
+    char data_address[64] = {0};
+    size_t size;
+
 
     /* get pointer to my proc structure */
     my_proc = opal_proc_local_get();
@@ -159,20 +163,22 @@ static int add_procs_block_create_endpoints(opal_btl_usnic_modu
le_t *module,
                                           modex->ipv4_addr,
                                           modex->netmask);
 
-        struct sockaddr_in *sinp, *sind;
-        sinp = (struct sockaddr_in *)
-            module->mod_channels[USNIC_PRIORITY_CHANNEL].info->src_addr;
-        sind = (struct sockaddr_in *)
-            module->mod_channels[USNIC_DATA_CHANNEL].info->src_addr;
+        /* Maybe do some error handling here*/
+        size = sizeof(priority_address);
+        fi_av_straddr(
+            module->av,
+            &module->mod_channels[USNIC_PRIORITY_CHANNEL].info->src_addr,
+            priority_address, &size);
+
+        size = sizeof(data_address);
+        fi_av_straddr(module->av,
+                      &module->mod_channels[USNIC_DATA_CHANNEL].info->src_addr,
+                      data_address, &size);
+
         opal_output_verbose(5, USNIC_OUT,
-                            "btl:usnic:add_procs:%s: new usnic peer endpoint: %s, pr
iority port %d, data port %d (local: %s, pri=%d, data=%d)",
-                            module->fabric_info->fabric_attr->name,
-                            str,
-                            modex->ports[USNIC_PRIORITY_CHANNEL],
-                            modex->ports[USNIC_DATA_CHANNEL],
-                            inet_ntoa(sinp->sin_addr),
-                            ntohs(sinp->sin_port),
-                            ntohs(sind->sin_port));
+                            "btl:usnic:add_procs:%s: new usnic peer endpoint: %s, pr
iority address: %s, data address: %s",
+                            module->fabric_info->fabric_attr->name, str,
+                            priority_address, data_address);
 
         endpoints[i] = usnic_endpoint;
         ++num_created;