The docs should probably also say OS-EXT-STS:vm_state rather than vm_status:

stack@glancev2:~$ nova show resize-test
+--------------------------------------+----------------------------------------------------------------+
| Property                             | Value                                                          |
+--------------------------------------+----------------------------------------------------------------+
| OS-DCF:diskConfig                    | MANUAL                                                         |
| OS-EXT-AZ:availability_zone          | nova                                                           |
| OS-EXT-SRV-ATTR:host                 | glancev2                                                       |
| OS-EXT-SRV-ATTR:hostname             | resize-test                                                    |
| OS-EXT-SRV-ATTR:hypervisor_hostname  | glancev2                                                       |
| OS-EXT-SRV-ATTR:instance_name        | instance-00000003                                              |
| OS-EXT-SRV-ATTR:kernel_id            | b93abb5d-3dd8-486f-aa0d-959d7a97bf5a                           |
| OS-EXT-SRV-ATTR:launch_index         | 0                                                              |
| OS-EXT-SRV-ATTR:ramdisk_id           | b4c6f51f-8de6-4b86-b62e-5e4132117ff1                           |
| OS-EXT-SRV-ATTR:reservation_id       | r-d1vuvolz                                                     |
| OS-EXT-SRV-ATTR:root_device_name     | /dev/vda                                                       |
| OS-EXT-SRV-ATTR:user_data            | -                                                              |
| OS-EXT-STS:power_state               | 1                                                              |
| OS-EXT-STS:task_state                | -                                                              |
| OS-EXT-STS:vm_state                  | resized                                                        |
| OS-SRV-USG:launched_at               | 2016-06-16T16:11:14.000000                                     |
| OS-SRV-USG:terminated_at             | -                                                              |
| accessIPv4                           |                                                                |
| accessIPv6                           |                                                                |
| config_drive                         | True                                                           |
| created                              | 2016-06-16T16:10:17Z                                           |
| description                          | -                                                              |
| flavor                               | m1.micro (84)                                                  |
| hostId                               | 327fcfbadc81551dc499dbc773b8fa10d99abe7dcdfdc6790fdee6f3       |
| host_status                          | UP                                                             |
| id                                   | 84925bb1-eb3d-4165-929d-db0480ac7923                           |
| image                                | cirros-0.3.4-x86_64-uec (70e3a3ba-8efc-4b98-b4f4-0bccf54360b1) |
| key_name                             | -                                                              |
| locked                               | False                                                          |
| metadata                             | {}                                                             |
| name                                 | resize-test                                                    |
| os-extended-volumes:volumes_attached | []                                                             |
| progress                             | 0                                                              |
| public network                       | 2001:db8::5, 172.24.4.5                                        |
| security_groups                      | default                                                        |
| status                               | VERIFY_RESIZE                                                  |
| tags                                 | []                                                             |
| tenant_id                            | 936bcb4d28ba40e5835e69a8e3a5e1a3                               |
| updated                              | 2016-06-16T16:11:14Z                                           |
| user_id                              | 595c5915a4d744dda0bca139e6847679                               |
+--------------------------------------+----------------------------------------------------------------+
stack@glancev2:~$