As on contrary to what changelog determines, problems with SMBv2 are not fixed.I haven't had this with 380.65. I'm on 380.68_1 currently.
DavidEBSmith did report this with 380.67.
I'm still getting in logs:
Sep 3 17:44:48 smbd[3061]: [2017/09/03 17:44:48.207745, 0]...