Fix the replacement placeholder in string

Bug #1096721

Change-Id: Ief6f410e4532772af3f9775b48ce92ac901f812d
Add comment to indicate bridge names' length

Bug #1096652

Change-Id: Ic814b59da131fba488b728eb3b67864712cde141
Merge "Add comment to indicate bridge names' length"
Merge "Fix the replacement placeholder in string"