$ sudo grep TunnelIdMapper /zxedu/data/log/ischool/campusng/info.log Nov 26 22:13:13 sy-nashira216-1115333 campusng[22730]: TunnelIdMapper: abc => 268 Nov 26 22:14:43 sy-nashira216-1115333 campusng[22970]: TunnelIdMapper: abc => 268