give resolution time in minutes for the given user story, only provide the number of minutes in the output without any other text

User story: I am attempting to start up 20 {{m1.medium}} instances without floating IPs to take available of the new instance cap from DM-5840.  This consistently fails after starting a few instances with an HTTP 403.    {code:java}  Error creating OpenStack server: Expected HTTP response code [201 202] when accessing [POST http://nebula.ncsa.illinois.edu:8774/v2/8c1ba1e0b84d486fbe7a665c30030113/servers], but got 403 instead  {"forbidden": {"message": "Maximum number of ports exceeded", "code": 403}}  {code}    Of the instances that do manage to start, most end up in an error state with.      {code:java}  (openstack) server show 134b69dc-56fc-4249-b92f-e958e561ae3b  +--------------------------------------+-----------------------------------------------------------------------------------------------------------------------------------------------------+  | Field                                | Value                                                                                                                                               |  +--------------------------------------+-----------------------------------------------------------------------------------------------------------------------------------------------------+  | OS-DCF:diskConfig                    | MANUAL                                                                                                                                              |  | OS-EXT-AZ:availability_zone          | nova                                                                                                                                                |  | OS-EXT-STS:power_state               | 0                                                                                                                                                   |  | OS-EXT-STS:task_state                | None                                                                                                                                                |  | OS-EXT-STS:vm_state                  | error                                                                                                                                               |  | OS-SRV-USG:launched_at               | None                                                                                                                                                |  | OS-SRV-USG:terminated_at             | None                                                                                                                                                |  | accessIPv4                           |                                                                                                                                                     |  | accessIPv6                           |                                                                                                                                                     |  | addresses                            |                                                                                                                                                     |  | config_drive                         |                                                                                                                                                     |  | created                              | 2016-05-02T20:29:54Z                                                                                                                                |  | fault                                | {'code': 500, 'message': 'No valid host was found. Exceeded max scheduling attempts 3 for instance 134b69dc-56fc-4249-b92f-e958e561ae3b. Last       |  |                                      | exception: [u\'Traceback (most recent call last):\\n\', u\'  File "/usr/lib/python2.7/site-packages/nova/compute/manager.py", line 2235, in _do',   |  |                                      | 'created': '2016-05-02T20:29:57Z'}                                                                                                                  |  | flavor                               | m1.medium (3)                                                                                                                                       |  | hostId                               | b383eddb06f7a1cc5929e5fa8b6982cc523f5ac1cbe3c9c40120a700                                                                                            |  | id                                   | 134b69dc-56fc-4249-b92f-e958e561ae3b                                                                                                                |  | image                                | centos-7-slurm-20160422210744 (7364ada7-263e-4fb0-a9f4-219ab19e0be0)                                                                                |  | key_name                             | <USER>slurm                                                                                                                                      |  | name                                 | slurm-slave4                                                                                                                                        |  | os-extended-volumes:volumes_attached | []                                                                                                                                                  |  | project_id                           | 8c1ba1e0b84d486fbe7a665c30030113                                                                                                                    |  | properties                           | slurm_node_type='slave'                                                                                                                             |  | status                               | ERROR                                                                                                                                               |  | updated                              | 2016-05-02T20:29:57Z                                                                                                                                |  | user_id                              | 83bf259d1f0c4f458e03f9002f9b4008                                                                                                                    |  +--------------------------------------+-----------------------------------------------------------------------------------------------------------------------------------------------------+  {code}      
Answer: 2897.0