CAP_SEEK_TELL
cap_rights_init(&rights, CAP_READ, CAP_MMAP, CAP_SEEK_TELL),
cap_rights_clear(&rights, CAP_SEEK_TELL);
cap_rights_clear(&rights, CAP_SEEK_TELL);
#define CAP_SEEK (CAP_SEEK_TELL | 0x0000000000000008ULL)
RIGHTS_INFO(CAP_SEEK_TELL),