I phone 12 Max gold auto reboot

My phone at different time periods reboots it shows the spinning logo and sends me back to password screen I wish I know why I saw in privacy system and diagnose but I do not understand the code

{"crashreporter_key":"8ee20cff8ef2da312a37f36d83877a2288df1c81","bug_type":"211","timestamp":"2021-12-27 19:00:04.00 -0500","os_version":"iPhone OS 15.2 (19C56)","incident_id":"BB08A368-17CC-46B9-BB80-CDA526446376"}

{"_marker":"<metadata>","_preferredUserInterfaceLanguage":"en-US","_userInterfaceLanguage":"en","_userSetRegionFormat":"US","basebandChipset":"mav20","basebandFirmwareVersion":"2.23.02","configParentUuid":"e51b159e-7a14-47d4-84cd-23cfe274c4f7","configUuid":"3bfad1b4-7458-431c-8cc2-69965a35140d","currentCountry":"United States","deviceCapacity":256,"homeCarrierCountry":"United States","homeCarrierName":"AT&T US","isDualSim":false,"servingCarrierName":"AT&T US","startTimestamp":"2021-12-27T00:00:03Z","trialExperiments":"1","trialRollouts":"3-10","version":"2.2"}

{"message":{"BogusFieldNotActuallyEverUsed":null,"Count":12,"daily_total_BogusMeasureNotActuallyEverUsed":null},"name":"StabilityHeartBeatCount5","sampling":100,"uuid":"3c8f638f-d492-465e-9e27-546a163beac9_2"}

{"_marker":"<end-of-file>"}

please help what does it mean?