[...]
timestamp;hostname;sessionid-ABC;**type=m**
timestamp;hostname;sessionid-ABC;**set_to_TRUE**
[...]
timestamp;hostname;sessionid-HHH;type=m
timestamp;hostname;sessionid-HHH;set_to_FALSE
[...]
timestamp;hostname;sessionid-ZZZ;type=m
timestamp;hostname;sessionid-ZZZ;set_to_FALSE
[...]
timestamp;hostname;sessionid-WWW;type=s
timestamp;hostname;sessionid-WWW;set_to_TRUE