[Thu Sep 07 11:44:41.862185 2017] [mpm_prefork:notice] [pid 1287] AH00163: Apache/2.4.7 (Ubuntu) PHP/5.5.9-1ubuntu4.19 configured -- resuming normal operations [Thu Sep 07 11:44:41.862249 2017] [core:notice] [pid 1287] AH00094: Command line: '/usr/sbin/apache2' [Thu Sep 07 12:24:09.828910 2017] [mpm_prefork:notice] [pid 1287] AH00169: caught SIGTERM, shutting down [Thu Sep 07 12:24:55.670123 2017] [mpm_prefork:notice] [pid 1287] AH00163: Apache/2.4.7 (Ubuntu) PHP/5.5.9-1ubuntu4.19 configured -- resuming normal operations [Thu Sep 07 12:24:55.715965 2017] [core:notice] [pid 1287] AH00094: Command line: '/usr/sbin/apache2' [Thu Sep 07 13:13:06.858613 2017] [mpm_prefork:notice] [pid 1287] AH00169: caught SIGTERM, shutting down [Thu Sep 07 13:13:08.168220 2017] [mpm_prefork:notice] [pid 26280] AH00163: Apache/2.4.7 (Ubuntu) PHP/5.5.9-1ubuntu4.22 configured -- resuming normal operations [Thu Sep 07 13:13:08.168354 2017] [core:notice] [pid 26280] AH00094: Command line: '/usr/sbin/apache2' [Thu Sep 07 13:13:12.335305 2017] [mpm_prefork:notice] [pid 26280] AH00169: caught SIGTERM, shutting down [Thu Sep 07 13:13:13.526552 2017] [mpm_prefork:notice] [pid 26729] AH00163: Apache/2.4.7 (Ubuntu) PHP/5.5.9-1ubuntu4.22 configured -- resuming normal operations [Thu Sep 07 13:13:13.526674 2017] [core:notice] [pid 26729] AH00094: Command line: '/usr/sbin/apache2' [Thu Sep 07 13:54:23.964463 2017] [mpm_prefork:notice] [pid 26729] AH00169: caught SIGTERM, shutting down [Thu Sep 07 13:55:23.739997 2017] [mpm_prefork:notice] [pid 1407] AH00163: Apache/2.4.7 (Ubuntu) PHP/5.5.9-1ubuntu4.22 configured -- resuming normal operations [Thu Sep 07 13:55:23.773598 2017] [core:notice] [pid 1407] AH00094: Command line: '/usr/sbin/apache2' [Thu Sep 07 14:25:54.374471 2017] [mpm_prefork:notice] [pid 1407] AH00169: caught SIGTERM, shutting down [Thu Sep 07 14:25:55.482320 2017] [mpm_prefork:notice] [pid 848] AH00163: Apache/2.4.7 (Ubuntu) configured -- resuming normal operations [Thu Sep 07 14:25:55.482563 2017] [core:notice] [pid 848] AH00094: Command line: '/usr/sbin/apache2' [Thu Sep 07 14:41:47.224282 2017] [mpm_prefork:notice] [pid 848] AH00169: caught SIGTERM, shutting down [Thu Sep 07 14:41:48.390332 2017] [mpm_prefork:notice] [pid 11706] AH00163: Apache/2.4.7 (Ubuntu) configured -- resuming normal operations [Thu Sep 07 14:41:48.390552 2017] [core:notice] [pid 11706] AH00094: Command line: '/usr/sbin/apache2' [Thu Sep 07 15:36:28.451387 2017] [mpm_prefork:notice] [pid 11706] AH00171: Graceful restart requested, doing restart apache2: Syntax error on line 140 of /etc/apache2/apache2.conf: Syntax error on line 2 of /etc/apache2/mods-enabled/mpm_prefork.load: Cannot load /usr/lib/apache2/modules/mod_mpm_prefork.so into server: /usr/lib/apache2/modules/mod_mpm_prefork.so: undefined symbol: ap_set_listencbratio [Thu Sep 07 16:42:44.526369 2017] [mpm_prefork:notice] [pid 1349] AH00163: Apache/2.4.18 (Ubuntu) configured -- resuming normal operations [Thu Sep 07 16:42:44.558239 2017] [core:notice] [pid 1349] AH00094: Command line: '/usr/sbin/apache2'