I was able to reproduce it:
vagrant@vagrant-ubuntu-trusty-64:~$ manila list
+--------------------------------------+----------------------------+------+-------------+-----------+-----------+------------+---------------------------------------------------------------+--------------------------------------------------------+
| ID                                   | Name                       | Size | Share Proto | Status    | Is Public | Share Type | Export location                                               | Host                                                   |
+--------------------------------------+----------------------------+------+-------------+-----------+-----------+------------+---------------------------------------------------------------+--------------------------------------------------------+
| 95263a8d-7a16-43dc-ab1b-f8f0bfa8e36e | cinder_vol_share_using_nfs | 1    | NFS         | available | False     | default    | 10.254.0.3:/shares/share-95263a8d-7a16-43dc-ab1b-f8f0bfa8e36e | vagrant-ubuntu-trusty-64.localdomain@generic1#GENERIC1 |
+--------------------------------------+----------------------------+------+-------------+-----------+-----------+------------+---------------------------------------------------------------+--------------------------------------------------------+
vagrant@vagrant-ubuntu-trusty-64:~$  manila snapshot-create --name Snap1 cinder_vol_share_using_nfs
+-------------+--------------------------------------+
| Property    | Value                                |
+-------------+--------------------------------------+
| status      | creating                             |
| share_id    | 95263a8d-7a16-43dc-ab1b-f8f0bfa8e36e |
| name        | Snap1                                |
| created_at  | 2015-04-01T21:09:53.572734           |
| share_proto | NFS                                  |
| id          | 8bc8e670-75a5-42ef-8fc3-4aeb5950dceb |
| size        | 1                                    |
| share_size  | 1                                    |
| description | None                                 |
+-------------+--------------------------------------+
vagrant@vagrant-ubuntu-trusty-64:~$ manila snapshot-list
+--------------------------------------+--------------------------------------+-----------+-------+------------+
| ID                                   | Share ID                             | Status    | Name  | Share Size |
+--------------------------------------+--------------------------------------+-----------+-------+------------+
| 8bc8e670-75a5-42ef-8fc3-4aeb5950dceb | 95263a8d-7a16-43dc-ab1b-f8f0bfa8e36e | available | Snap1 | 1          |
+--------------------------------------+--------------------------------------+-----------+-------+------------+
vagrant@vagrant-ubuntu-trusty-64:~$ manila create --name Share2 --snapshot-id 8bc8e670-75a5-42ef-8fc3-4aeb5950dceb NFS 1
+-------------------+--------------------------------------------------------+
| Property          | Value                                                  |
+-------------------+--------------------------------------------------------+
| status            | creating                                               |
| description       | None                                                   |
| availability_zone | nova                                                   |
| share_network_id  | 544d4d7f-c490-4d95-9118-97cc8038afd9                   |
| export_locations  | []                                                     |
| host              | vagrant-ubuntu-trusty-64.localdomain@generic1#GENERIC1 |
| snapshot_id       | 8bc8e670-75a5-42ef-8fc3-4aeb5950dceb                   |
| is_public         | False                                                  |
| id                | 8ddceef6-d566-418a-bf22-1c1a52a6b0f6                   |
| size              | 1                                                      |
| name              | Share2                                                 |
| share_type        | None                                                   |
| created_at        | 2015-04-01T21:12:07.000000                             |
| export_location   | None                                                   |
| share_proto       | NFS                                                    |
| project_id        | 5f608d78ee9e4484bf8b8ffb7f1a414f                       |
| metadata          | {}                                                     |
+-------------------+--------------------------------------------------------+
vagrant@vagrant-ubuntu-trusty-64:~$ manila list
+--------------------------------------+----------------------------+------+-------------+-----------+-----------+------------+---------------------------------------------------------------+--------------------------------------------------------+
| ID                                   | Name                       | Size | Share Proto | Status    | Is Public | Share Type | Export location                                               | Host                                                   |
+--------------------------------------+----------------------------+------+-------------+-----------+-----------+------------+---------------------------------------------------------------+--------------------------------------------------------+
| 8ddceef6-d566-418a-bf22-1c1a52a6b0f6 | Share2                     | 1    | NFS         | available | False     | None       | 10.254.0.3:/shares/share-8ddceef6-d566-418a-bf22-1c1a52a6b0f6 | vagrant-ubuntu-trusty-64.localdomain@generic1#GENERIC1 |
| 95263a8d-7a16-43dc-ab1b-f8f0bfa8e36e | cinder_vol_share_using_nfs | 1    | NFS         | available | False     | default    | 10.254.0.3:/shares/share-95263a8d-7a16-43dc-ab1b-f8f0bfa8e36e | vagrant-ubuntu-trusty-64.localdomain@generic1#GENERIC1 |
+--------------------------------------+----------------------------+------+-------------+-----------+-----------+------------+---------------------------------------------------------------+--------------------------------------------------------+