2021-12-08 02:44:08,274 - octoprint.plugin.core - INFO - Found 18 plugin(s) providing 18 mixin implementations, 38 hook handlers 2021-12-08 02:44:08,462 - octoprint.server.heartbeat - INFO - Starting server heartbeat, 900.0s interval 2021-12-08 02:44:08,645 - octoprint.server - INFO - Intermediary server started 2021-12-08 02:44:08,649 - octoprint.printer.profile - ERROR - Profile _default does not exist, creating _default again and setting it as default 2021-12-08 02:44:08,773 - octoprint.filemanager.storage - INFO - Initializing the file metadata for /home/pi/.octoprint/uploads... 2021-12-08 02:44:08,776 - octoprint.filemanager.storage - INFO - ... file metadata for /home/pi/.octoprint/uploads initialized successfully. 2021-12-08 02:44:08,782 - octoprint.server - INFO - Added new permission from plugin action_command_notification: PLUGIN_ACTION_COMMAND_NOTIFICATION_SHOW (needs: "Need(method='role', value='plugin_action_command_notification_show')") 2021-12-08 02:44:08,783 - octoprint.server - INFO - Added new permission from plugin action_command_notification: PLUGIN_ACTION_COMMAND_NOTIFICATION_CLEAR (needs: "Need(method='role', value='plugin_action_command_notification_clear')") 2021-12-08 02:44:08,783 - octoprint.server - INFO - Added new permission from plugin action_command_prompt: PLUGIN_ACTION_COMMAND_PROMPT_INTERACT (needs: "Need(method='role', value='plugin_action_command_prompt_interact')") 2021-12-08 02:44:08,784 - octoprint.server - INFO - Added new permission from plugin announcements: PLUGIN_ANNOUNCEMENTS_READ (needs: "Need(method='role', value='plugin_announcements_read')") 2021-12-08 02:44:08,785 - octoprint.server - INFO - Added new permission from plugin announcements: PLUGIN_ANNOUNCEMENTS_MANAGE (needs: "Need(method='role', value='plugin_announcements_read'), Need(method='role', value='plugin_announcements_manage')") 2021-12-08 02:44:08,786 - octoprint.server - INFO - Added new permission from plugin appkeys: PLUGIN_APPKEYS_ADMIN (needs: "Need(method='role', value='plugin_appkeys_admin')") 2021-12-08 02:44:08,786 - octoprint.server - INFO - Added new permission from plugin backup: PLUGIN_BACKUP_ACCESS (needs: "Need(method='role', value='plugin_backup_access')") 2021-12-08 02:44:08,787 - octoprint.server - INFO - Added new permission from plugin firmware_check: PLUGIN_FIRMWARE_CHECK_DISPLAY (needs: "Need(method='role', value='plugin_firmware_check_display')") 2021-12-08 02:44:08,794 - octoprint.server - INFO - Added new permission from plugin logging: PLUGIN_LOGGING_MANAGE (needs: "Need(method='role', value='plugin_logging_manage')") 2021-12-08 02:44:08,795 - octoprint.server - INFO - Added new permission from plugin pi_support: PLUGIN_PI_SUPPORT_STATUS (needs: "Need(method='role', value='plugin_pi_support_check')") 2021-12-08 02:44:08,798 - octoprint.server - INFO - Added new permission from plugin pluginmanager: PLUGIN_PLUGINMANAGER_MANAGE (needs: "Need(method='role', value='plugin_pluginmanager_manage')") 2021-12-08 02:44:08,800 - octoprint.server - INFO - Added new permission from plugin pluginmanager: PLUGIN_PLUGINMANAGER_INSTALL (needs: "Need(method='role', value='plugin_pluginmanager_install'), Need(method='role', value='plugin_pluginmanager_manage')") 2021-12-08 02:44:08,802 - octoprint.server - INFO - Added new permission from plugin softwareupdate: PLUGIN_SOFTWAREUPDATE_CHECK (needs: "Need(method='role', value='plugin_softwareupdate_check')") 2021-12-08 02:44:08,804 - octoprint.server - INFO - Added new permission from plugin softwareupdate: PLUGIN_SOFTWAREUPDATE_UPDATE (needs: "Need(method='role', value='plugin_softwareupdate_update')") 2021-12-08 02:44:08,806 - octoprint.server - INFO - Added new permission from plugin softwareupdate: PLUGIN_SOFTWAREUPDATE_CONFIGURE (needs: "Need(method='role', value='plugin_softwareupdate_configure')") 2021-12-08 02:44:10,407 - octoprint.util.pip - INFO - Using "/home/pi/oprint/bin/python3 -m pip" as command to invoke pip 2021-12-08 02:44:11,515 - octoprint.util.pip - INFO - Version of pip is 20.3.3 2021-12-08 02:44:11,517 - octoprint.util.pip - INFO - pip installs to /home/pi/oprint/lib/python3.7/site-packages (writable -> yes), --user flag needed -> no, virtual env -> yes 2021-12-08 02:44:11,517 - octoprint.util.pip - INFO - ==> pip ok -> yes 2021-12-08 02:44:11,626 - octoprint.plugin.core - INFO - Initialized 18 plugin implementation(s) 2021-12-08 02:44:11,845 - octoprint.plugin.core - INFO - 18 plugin(s) registered with the system: | Action Command Notification Support (bundled) = /home/pi/oprint/lib/python3.7/site-packages/octoprint/plugins/action_command_notification | Action Command Prompt Support (bundled) = /home/pi/oprint/lib/python3.7/site-packages/octoprint/plugins/action_command_prompt | Announcement Plugin (bundled) = /home/pi/oprint/lib/python3.7/site-packages/octoprint/plugins/announcements | Anonymous Usage Tracking (bundled) = /home/pi/oprint/lib/python3.7/site-packages/octoprint/plugins/tracking | Application Keys Plugin (bundled) = /home/pi/oprint/lib/python3.7/site-packages/octoprint/plugins/appkeys | Backup & Restore (bundled) = /home/pi/oprint/lib/python3.7/site-packages/octoprint/plugins/backup | Core Wizard (bundled) = /home/pi/oprint/lib/python3.7/site-packages/octoprint/plugins/corewizard | Discovery (bundled) = /home/pi/oprint/lib/python3.7/site-packages/octoprint/plugins/discovery | Error Tracking (bundled) = /home/pi/oprint/lib/python3.7/site-packages/octoprint/plugins/errortracking | Event Manager (bundled) = /home/pi/oprint/lib/python3.7/site-packages/octoprint/plugins/eventmanager | File Check (2021.2.23) (bundled) = /home/pi/oprint/lib/python3.7/site-packages/octoprint_file_check | Firmware Check (2021.10.11) (bundled) = /home/pi/oprint/lib/python3.7/site-packages/octoprint_firmware_check | GCode Viewer (bundled) = /home/pi/oprint/lib/python3.7/site-packages/octoprint/plugins/gcodeviewer | Logging (bundled) = /home/pi/oprint/lib/python3.7/site-packages/octoprint/plugins/logging | Pi Support Plugin (2021.10.28) (bundled) = /home/pi/oprint/lib/python3.7/site-packages/octoprint_pi_support | Plugin Manager (bundled) = /home/pi/oprint/lib/python3.7/site-packages/octoprint/plugins/pluginmanager | Software Update (bundled) = /home/pi/oprint/lib/python3.7/site-packages/octoprint/plugins/softwareupdate | Virtual Printer (bundled) = /home/pi/oprint/lib/python3.7/site-packages/octoprint/plugins/virtual_printer Prefix legend: ! = disabled, # = blacklisted, * = incompatible 2021-12-08 02:44:11,887 - octoprint.environment - INFO - Detected environment is Python 3.7.3 under Linux (linux). Details: | hardware: | cores: 4 | freq: 1200.0 | ram: 915722240 | os: | bits: 32 | id: linux | platform: linux | plugins: | pi_support: | model: Raspberry Pi 3 Model B Rev 1.2 | octopi_version: 0.18.0 | throttle_state: '0x0' | python: | pip: 20.3.3 | version: 3.7.3 | virtualenv: /home/pi/oprint 2021-12-08 02:44:11,899 - octoprint.server - INFO - Reset webasset folder /home/pi/.octoprint/generated/webassets... 2021-12-08 02:44:11,901 - octoprint.server - INFO - Reset webasset folder /home/pi/.octoprint/generated/.webassets-cache... 2021-12-08 02:44:12,974 - octoprint.server - INFO - Shutting down intermediary server... 2021-12-08 02:44:13,158 - octoprint.server - INFO - Intermediary server shut down 2021-12-08 02:44:13,161 - octoprint.events - INFO - Processing startup event, this is our first event 2021-12-08 02:44:13,162 - octoprint.events - INFO - Adding 1 events to queue that were held back before startup event 2021-12-08 02:44:13,163 - octoprint.filemanager - INFO - Adding backlog items from all storage types to analysis queue... 2021-12-08 02:44:13,173 - octoprint.server.util.watchdog - INFO - Running initial scan on watched folder... 2021-12-08 02:44:13,177 - octoprint.filemanager - INFO - Added 0 items from storage type "local" to analysis queue 2021-12-08 02:44:13,178 - octoprint.server.util.watchdog - INFO - ... initial scan done. 2021-12-08 02:44:14,000 - octoprint.plugins.discovery - INFO - Registered 'OctoPrint instance on octopi._http._tcp.local.' for _http._tcp.local. 2021-12-08 02:44:14,880 - octoprint.plugins.discovery - INFO - Registered 'OctoPrint instance on octopi._octoprint._tcp.local.' for _octoprint._tcp.local. 2021-12-08 02:44:14,892 - octoprint.plugins.discovery - INFO - Registered OctoPrint instance on octopi for SSDP 2021-12-08 02:44:14,910 - octoprint.server - INFO - Listening on http://127.0.0.1:5000 2021-12-08 02:44:16,116 - octoprint.util.pip - INFO - Using "/home/pi/oprint/bin/python3 -m pip" as command to invoke pip 2021-12-08 02:44:16,120 - octoprint.util.pip - INFO - pip installs to /home/pi/oprint/lib/python3.7/site-packages (writable -> yes), --user flag needed -> no, virtual env -> yes 2021-12-08 02:44:16,121 - octoprint.util.pip - INFO - ==> pip ok -> yes 2021-12-08 02:44:16,130 - octoprint.plugins.softwareupdate - INFO - Minimum free storage across all update relevant locations is 4.9GB. That is considered sufficient for updating. 2021-12-08 02:44:16,130 - octoprint.plugins.softwareupdate - INFO - Fetching check overlays from https://plugins.octoprint.org/update_check_overlay.json 2021-12-08 02:44:16,816 - octoprint.plugins.pluginmanager - INFO - Loaded plugin repository data from https://plugins.octoprint.org/plugins.json 2021-12-08 02:44:17,878 - octoprint.plugins.announcements - INFO - Loaded channel _important from https://octoprint.org/feeds/important.xml in 0.74s 2021-12-08 02:44:18,442 - octoprint.util.pip - INFO - Using "/home/pi/oprint/bin/python3 -m pip" as command to invoke pip 2021-12-08 02:44:18,448 - octoprint.util.pip - INFO - pip installs to /home/pi/oprint/lib/python3.7/site-packages (writable -> yes), --user flag needed -> no, virtual env -> yes 2021-12-08 02:44:18,449 - octoprint.util.pip - INFO - ==> pip ok -> yes 2021-12-08 02:44:18,889 - octoprint.plugins.announcements - INFO - Loaded channel _releases from https://octoprint.org/feeds/releases.xml in 0.73s 2021-12-08 02:44:19,968 - octoprint.plugins.pluginmanager - INFO - Loaded plugin notices data from https://plugins.octoprint.org/notices.json 2021-12-08 02:44:24,832 - octoprint.plugins.announcements - INFO - Loaded channel _blog from https://octoprint.org/feeds/octoblog.xml in 5.8s 2021-12-08 02:44:25,560 - octoprint.plugins.announcements - INFO - Loaded channel _plugins from https://plugins.octoprint.org/feed.xml in 0.68s 2021-12-08 02:44:26,339 - octoprint.plugins.announcements - INFO - Loaded channel _octopi from https://octoprint.org/feeds/octopi.xml in 0.67s 2021-12-08 02:44:32,139 - octoprint.plugins.softwareupdate - INFO - Saved version cache to disk 2021-12-08 02:48:32,006 - octoprint.server.util.flask.PreemptiveCache - INFO - Adding entry for / and {'path': '/', 'base_url': 'https://192.168.1.14/', 'query_string': 'l10n=en', '_timestamp': 1638931712.0063155, '_count': 1} 2021-12-08 02:48:45,462 - octoprint.server.util.sockjs - INFO - New connection from client: ::ffff:192.168.1.21 2021-12-08 02:49:52,411 - octoprint.access.users - INFO - Logged in user: GRPrint1 2021-12-08 02:49:52,413 - octoprint.server.api - INFO - Actively logging in user GRPrint1 from ::ffff:192.168.1.21 2021-12-08 02:49:52,687 - octoprint.server.util.sockjs - INFO - User GRPrint1 logged in on the socket from client ::ffff:192.168.1.21 2021-12-08 02:53:27,203 - octoprint.util.comm - INFO - Changing monitoring state from "Offline" to "Detecting serial connection" 2021-12-08 02:53:27,252 - octoprint.util.comm - INFO - Serial detection: Performing autodetection with 0 port/baudrate candidates: 2021-12-08 02:53:27,253 - octoprint.util.comm - INFO - Changing monitoring state from "Detecting serial connection" to "Error" 2021-12-08 02:53:27,254 - octoprint.util.comm - INFO - Changing monitoring state from "Error" to "Offline after error" 2021-12-08 02:53:27,266 - octoprint.plugins.action_command_notification - INFO - Notifications cleared 2021-12-08 02:53:36,327 - octoprint.util.comm - INFO - Changing monitoring state from "Offline" to "Detecting serial connection" 2021-12-08 02:53:36,373 - octoprint.util.comm - INFO - Serial detection: Performing autodetection with 0 port/baudrate candidates: 2021-12-08 02:53:36,374 - octoprint.util.comm - INFO - Changing monitoring state from "Detecting serial connection" to "Error" 2021-12-08 02:53:36,375 - octoprint.util.comm - INFO - Changing monitoring state from "Error" to "Offline after error" 2021-12-08 02:53:36,387 - octoprint.plugins.action_command_notification - INFO - Notifications cleared 2021-12-08 02:53:37,623 - octoprint.util.comm - INFO - Changing monitoring state from "Offline" to "Detecting serial connection" 2021-12-08 02:53:37,669 - octoprint.util.comm - INFO - Serial detection: Performing autodetection with 0 port/baudrate candidates: 2021-12-08 02:53:37,670 - octoprint.util.comm - INFO - Changing monitoring state from "Detecting serial connection" to "Error" 2021-12-08 02:53:37,671 - octoprint.util.comm - INFO - Changing monitoring state from "Error" to "Offline after error" 2021-12-08 02:53:37,685 - octoprint.plugins.action_command_notification - INFO - Notifications cleared 2021-12-08 02:59:08,464 - octoprint.server.heartbeat - INFO - Server heartbeat <3 2021-12-08 03:14:08,466 - octoprint.server.heartbeat - INFO - Server heartbeat <3 2021-12-08 03:15:45,794 - octoprint.util.comm - INFO - Changing monitoring state from "Offline" to "Detecting serial connection" 2021-12-08 03:15:45,839 - octoprint.util.comm - INFO - Serial detection: Performing autodetection with 0 port/baudrate candidates: 2021-12-08 03:15:45,840 - octoprint.util.comm - INFO - Changing monitoring state from "Detecting serial connection" to "Error" 2021-12-08 03:15:45,841 - octoprint.util.comm - INFO - Changing monitoring state from "Error" to "Offline after error" 2021-12-08 03:15:45,853 - octoprint.plugins.action_command_notification - INFO - Notifications cleared 2021-12-08 03:15:51,526 - octoprint.util.comm - INFO - Changing monitoring state from "Offline" to "Detecting serial connection" 2021-12-08 03:15:51,572 - octoprint.util.comm - INFO - Serial detection: Performing autodetection with 0 port/baudrate candidates: 2021-12-08 03:15:51,573 - octoprint.util.comm - INFO - Changing monitoring state from "Detecting serial connection" to "Error" 2021-12-08 03:15:51,574 - octoprint.util.comm - INFO - Changing monitoring state from "Error" to "Offline after error" 2021-12-08 03:15:51,586 - octoprint.plugins.action_command_notification - INFO - Notifications cleared 2021-12-08 03:15:56,052 - octoprint.util.comm - INFO - Changing monitoring state from "Offline" to "Detecting serial connection" 2021-12-08 03:15:56,101 - octoprint.util.comm - INFO - Serial detection: Performing autodetection with 0 port/baudrate candidates: 2021-12-08 03:15:56,101 - octoprint.util.comm - INFO - Changing monitoring state from "Detecting serial connection" to "Error" 2021-12-08 03:15:56,103 - octoprint.util.comm - INFO - Changing monitoring state from "Error" to "Offline after error" 2021-12-08 03:15:56,115 - octoprint.plugins.action_command_notification - INFO - Notifications cleared 2021-12-08 03:16:00,746 - octoprint.util.comm - INFO - Changing monitoring state from "Offline" to "Detecting serial connection" 2021-12-08 03:16:00,789 - octoprint.util.comm - INFO - Serial detection: Performing autodetection with 0 port/baudrate candidates: 2021-12-08 03:16:00,789 - octoprint.util.comm - INFO - Changing monitoring state from "Detecting serial connection" to "Error" 2021-12-08 03:16:00,791 - octoprint.util.comm - INFO - Changing monitoring state from "Error" to "Offline after error" 2021-12-08 03:16:00,805 - octoprint.plugins.action_command_notification - INFO - Notifications cleared 2021-12-08 03:16:06,066 - octoprint.util.comm - INFO - Changing monitoring state from "Offline" to "Detecting serial connection" 2021-12-08 03:16:06,114 - octoprint.util.comm - INFO - Serial detection: Performing autodetection with 0 port/baudrate candidates: 2021-12-08 03:16:06,114 - octoprint.util.comm - INFO - Changing monitoring state from "Detecting serial connection" to "Error" 2021-12-08 03:16:06,116 - octoprint.util.comm - INFO - Changing monitoring state from "Error" to "Offline after error" 2021-12-08 03:16:06,128 - octoprint.plugins.action_command_notification - INFO - Notifications cleared 2021-12-08 03:16:09,959 - octoprint.util.comm - INFO - Changing monitoring state from "Offline" to "Detecting serial connection" 2021-12-08 03:16:10,017 - octoprint.util.comm - INFO - Serial detection: Performing autodetection with 0 port/baudrate candidates: 2021-12-08 03:16:10,018 - octoprint.util.comm - INFO - Changing monitoring state from "Detecting serial connection" to "Error" 2021-12-08 03:16:10,019 - octoprint.util.comm - INFO - Changing monitoring state from "Error" to "Offline after error" 2021-12-08 03:16:10,032 - octoprint.plugins.action_command_notification - INFO - Notifications cleared 2021-12-08 03:16:14,458 - octoprint.util.comm - INFO - Changing monitoring state from "Offline" to "Detecting serial connection" 2021-12-08 03:16:14,503 - octoprint.util.comm - INFO - Serial detection: Performing autodetection with 0 port/baudrate candidates: 2021-12-08 03:16:14,503 - octoprint.util.comm - INFO - Changing monitoring state from "Detecting serial connection" to "Error" 2021-12-08 03:16:14,505 - octoprint.util.comm - INFO - Changing monitoring state from "Error" to "Offline after error" 2021-12-08 03:16:14,517 - octoprint.plugins.action_command_notification - INFO - Notifications cleared 2021-12-08 03:16:15,887 - octoprint.util.comm - INFO - Changing monitoring state from "Offline" to "Detecting serial connection" 2021-12-08 03:16:15,958 - octoprint.util.comm - INFO - Serial detection: Performing autodetection with 0 port/baudrate candidates: 2021-12-08 03:16:15,959 - octoprint.util.comm - INFO - Changing monitoring state from "Detecting serial connection" to "Error" 2021-12-08 03:16:15,960 - octoprint.util.comm - INFO - Changing monitoring state from "Error" to "Offline after error" 2021-12-08 03:16:15,972 - octoprint.plugins.action_command_notification - INFO - Notifications cleared 2021-12-08 03:16:16,635 - octoprint.plugins.action_command_notification - INFO - Notifications cleared 2021-12-08 03:16:16,981 - octoprint.util.comm - INFO - Changing monitoring state from "Offline" to "Detecting serial connection" 2021-12-08 03:16:17,032 - octoprint.util.comm - INFO - Serial detection: Performing autodetection with 0 port/baudrate candidates: 2021-12-08 03:16:17,033 - octoprint.util.comm - INFO - Changing monitoring state from "Detecting serial connection" to "Error" 2021-12-08 03:16:17,034 - octoprint.util.comm - INFO - Changing monitoring state from "Error" to "Offline after error" 2021-12-08 03:16:17,046 - octoprint.plugins.action_command_notification - INFO - Notifications cleared 2021-12-08 03:17:25,751 - octoprint.server.util.sockjs - INFO - Client connection closed: ::ffff:192.168.1.21 2021-12-08 03:17:25,870 - octoprint.server.util.sockjs - INFO - New connection from client: ::ffff:192.168.1.21 2021-12-08 03:17:25,946 - octoprint.server.util.flask - INFO - Passively logging in user GRPrint1 from ::ffff:192.168.1.21 2021-12-08 03:17:25,946 - octoprint.access.users - INFO - Logged in user: GRPrint1 2021-12-08 03:17:25,974 - octoprint.server.util.sockjs - INFO - User GRPrint1 logged in on the socket from client ::ffff:192.168.1.21 2021-12-08 03:18:17,109 - octoprint.server.util.sockjs - INFO - Client connection closed: ::ffff:192.168.1.21 2021-12-08 03:18:17,482 - octoprint.server.util.flask - INFO - Passively logging in user GRPrint1 from ::ffff:192.168.1.21 2021-12-08 03:18:17,482 - octoprint.access.users - INFO - Logged in user: GRPrint1 2021-12-08 03:18:19,015 - octoprint.server.util.flask - INFO - Passively logging in user GRPrint1 from ::ffff:192.168.1.21 2021-12-08 03:18:19,016 - octoprint.access.users - INFO - Logged in user: GRPrint1 2021-12-08 03:18:19,486 - octoprint.server.util.sockjs - INFO - New connection from client: ::ffff:192.168.1.21 2021-12-08 03:18:19,512 - octoprint.server.util.flask - INFO - Passively logging in user GRPrint1 from ::ffff:192.168.1.21 2021-12-08 03:18:19,512 - octoprint.access.users - INFO - Logged in user: GRPrint1 2021-12-08 03:18:20,052 - octoprint.server.util.sockjs - INFO - User GRPrint1 logged in on the socket from client ::ffff:192.168.1.21 2021-12-08 03:18:21,940 - octoprint.util.comm - INFO - Changing monitoring state from "Offline" to "Detecting serial connection" 2021-12-08 03:18:21,992 - octoprint.util.comm - INFO - Serial detection: Performing autodetection with 0 port/baudrate candidates: 2021-12-08 03:18:21,993 - octoprint.util.comm - INFO - Changing monitoring state from "Detecting serial connection" to "Error" 2021-12-08 03:18:21,994 - octoprint.util.comm - INFO - Changing monitoring state from "Error" to "Offline after error" 2021-12-08 03:18:22,006 - octoprint.plugins.action_command_notification - INFO - Notifications cleared 2021-12-08 03:18:24,171 - octoprint.util.comm - INFO - Changing monitoring state from "Offline" to "Detecting serial connection" 2021-12-08 03:18:24,221 - octoprint.util.comm - INFO - Serial detection: Performing autodetection with 0 port/baudrate candidates: 2021-12-08 03:18:24,221 - octoprint.util.comm - INFO - Changing monitoring state from "Detecting serial connection" to "Error" 2021-12-08 03:18:24,223 - octoprint.util.comm - INFO - Changing monitoring state from "Error" to "Offline after error" 2021-12-08 03:18:24,237 - octoprint.plugins.action_command_notification - INFO - Notifications cleared 2021-12-08 03:18:36,168 - octoprint.server.util.sockjs - INFO - Client connection closed: ::ffff:192.168.1.21 2021-12-08 03:18:36,285 - octoprint.server.util.sockjs - INFO - New connection from client: ::ffff:192.168.1.21 2021-12-08 03:18:36,435 - octoprint.server.util.flask - INFO - Passively logging in user GRPrint1 from ::ffff:192.168.1.21 2021-12-08 03:18:36,436 - octoprint.access.users - INFO - Logged in user: GRPrint1 2021-12-08 03:18:36,477 - octoprint.server.util.sockjs - INFO - User GRPrint1 logged in on the socket from client ::ffff:192.168.1.21 2021-12-08 03:18:39,454 - octoprint.server.util.sockjs - INFO - Client connection closed: ::ffff:192.168.1.21