Neuladen der Logging-Konfiguration:
curl https://idp.local/idp/profile/admin/reload-service?id=shibboleth.LoggingService
curl -k -v "https://127.0.0.1:443/idp/profile/admin/reload-service?id=shibboleth.LoggingService"
XML Duration Data Type: https://www.w3schools.com/xml/schema_dtypes_date.asp
Ausführliche Logback Doku: https://logback.qos.ch/documentation.html