Description: libceph: implement CEPHX_V2 calculation mode
References:
 http://tracker.ceph.com/issues/24837
Notes:
Bugs:
upstream: released (4.19-rc1) [cc255c76c70f7a87d97939621eae04b600d9f4a1]
4.19-upstream-stable: N/A "Fixed before branch point"
4.9-upstream-stable: released (4.9.144) [18a23fb2632030888fc56a7df73a80f57445718f]
3.16-upstream-stable: N/A "Message signatures not implemented"
sid: released (4.19.9-1)
4.9-stretch-security: released (4.9.144-1)
3.16-jessie-security: N/A "Message signatures not implemented"