freebsd-update IDS 报告我的系统上每个文件的 SHA256 算法错误

Question

为什么freebsd-update我的文件系统上每个文件都显示以下内容？

# freebsd-update IDS > freebsd-update.IDS
# tail -1 freebsd-update.IDS 
/var/db/mergemaster.mtree has SHA256 hash 5c63e12b1be6753032106eced68e9deefd4da2f7ce2469f09e7535e73db98824, but should have SHA256 hash 98f9c24fb623045918b8f24aa427d268b1aad78585231b8a29599a72a81af147.
# wc -l freebsd-update.IDS 
   26665 freebsd-update.IDS
#