INFO iscsi session target -- was closed -- logout request received from the initatior

today all of a sudden equallogic group manager its getting flooded with 

iscsi session target -- was closed -- logout request received from the initatior

iscsi session target -- was closed -- iscsi inittator connection fauilure
no response on connection for 6 seconds

been trying to figure what changed since yesterday , nothing changed 

the 4100 member not showing that info , all related to the 6100 member?

on the esxi 5.5 side its showing lost path , path restore error messages 

any clues