已安装policycoreutils-python-utils_2.5-2_amd64.deb
$ cat logcat | audit2allow
libsepol.context_from_record: user u is not defined
libsepol.context_from_record: could not create context structure
libsepol.context_from_string: could not create context structure
libsepol.sepol_context_to_sid: could not convert u:r:comp_drm:s0 to sid
如何设置context_from_record？