Index: scripts/wsrep_sst_rsync.sh
--- scripts/wsrep_sst_rsync.sh.orig
+++ scripts/wsrep_sst_rsync.sh
@@ -127,9 +127,15 @@ check_pid_and_port()
             fi
             final='$'
         else
-            port_info=$($socket_utility $lsof_opts -i ":$port" 2>/dev/null | \
-                grep -w -F '(LISTEN)' || :)
-            final='[[:space:]]'
+            if [ $fstat_available -ne 0 ]; then
+                port_info=$($socket_utility $fstat_opts 2>/dev/null | \
+                    grep -E "[[:space:]](\\*|\\[?::\\]?):$port\$")
+                final=''
+            else
+                port_info=$($socket_utility $lsof_opts -i ":$port" 2>/dev/null | \
+                    grep -w -F '(LISTEN)' || :)
+                final='[[:space:]]'
+            fi
         fi
 
         local busy=0