Here is a dump of the data been show corrupted and after a while without reset become normal again.

deserialize: 7F00C22AF030:UserSession(true, false, "DAD", "", 333, "\0\0\0\0\0\0\0\0\0", true, "", "", 0001-Jan-01 00:00:00)
checkauth : / : : 127.0.0.1 : 1 : DAD
MemorySessionStore.get:7F00C4DFDD20::UserSession(true, false, "DAD", "", 333, "\0\0\0\0\0\0\0\0\0", true, "", "", 0001-Jan-01 00:00:00)
deserialize: 7F00C22AF030:UserSession(true, false, "DAD", "", 333, "\0\0\0\0\0\0\0\0\0", true, "", "", 0001-Jan-01 00:00:00)
check
auth : / : : 127.0.0.1 : 1 : DAD
MemorySessionStore.get:7F00C4DFDD20::UserSession(true, false, "DAD", "", 333, "127.0.0.1", true, "", "", 0001-Jan-01 00:00:00)
deserialize: 7F00C22AF030:UserSession(true, false, "DAD", "", 333, "127.0.0.1", true, "", "", 0001-Jan-01 00:00:00)
check_auth : / : 127.0.0.1 : 127.0.0.1 : 1 : DAD