Bug 1314610 - snmpd complaining twice "Cannot statfs net:[********]#***: No such file or directory" every 10 minutes
https://bugzilla.redhat.com/show_bug.cgi?id=1314610

diff -urNp old/agent/mibgroup/hardware/fsys/fsys_mntctl.c new/agent/mibgroup/hardware/fsys/fsys_mntctl.c
--- old/agent/mibgroup/hardware/fsys/fsys_mntctl.c	2017-10-11 14:54:48.111065174 +0200
+++ new/agent/mibgroup/hardware/fsys/fsys_mntctl.c	2017-10-11 15:11:16.996918197 +0200
@@ -88,7 +88,6 @@ netsnmp_fsys_arch_load( void )
     char          *path;
     struct statfs  stat_buf;
     netsnmp_fsys_info *entry;
-    char               tmpbuf[1024];
 
     /*
      * Retrieve information about the currently mounted filesystems...
@@ -160,8 +159,7 @@ netsnmp_fsys_arch_load( void )
             continue;
 
         if ( statfs( entry->path, &stat_buf ) < 0 ) {
-            snprintf( tmpbuf, sizeof(tmpbuf), "Cannot statfs %s", entry->path );
-            snmp_log_perror( tmpbuf );
+            NETSNMP_LOGONCE(( LOG_ERROR, "Cannot statfs %s", entry->path ));
             continue;
         }
         entry->units =  stat_buf.f_bsize;