[2.3.0] Checkmk Werk 16772 created: brocade_fcport: fix operating speed conversion

[//]: # (werk v2) # brocade_fcport: fix operating speed conversion key | value ---------- | --- date | 2024-07-09T09:22:21+00:00 version | 2.3.0p13 class | fix edition | cre component | checks level | 1 compatible | yes This werk affects anyone monitoring Brocade fibre channel ports by comparing current or average throughput to certain absolute or percentage levels via the _Brocade FibreChannel ports_ rule. In the plugin the current operating speed of the interface, read from the SNMP interface data, was not properly converted to GByte/s, the unit of measurement displayed in the interface. This resulted in an erroneous comparison of values and the related service states.