change some beg/end yr/month log statements to lower level and fix text.
change some beg/end yr/month log statements to lower level and fix text.

tobeycarman/dvm-dos-tem,tobeycarman/dvm-dos-tem,tobeycarman/dvm-dos-tem,tobeycarman/dvm-dos-tem,tobeycarman/dvm-dos-tem,tobeycarman/dvm-dos-tem