##### SUMMARY
For a fraction of second after the creation of a new VM, the VM name is not yet defined in its relative dictionary returned by the proxmoxer when querying the list of VMs (proxmox.cluster.resources.get(type='vm')). 

Accessing to this non existing attribute as an element of a dictionary instead of using the get function on the dictionary raise an error.

##### ISSUE TYPE
- Bug Report

##### COMPONENT NAME
proxmox_kvm

##### ANSIBLE VERSION
```
ansible 2.8.0
  config file = /home/pguermo/Projects/superluminal-pdp/etc/ansible.cfg
  configured module search path = ['/home/pguermo/Projects/superluminal-pdp/library']
  ansible python module location = /home/pguermo/.virtualenvs/superluminal-pdp/lib/python3.5/site-packages/ansible
  executable location = /home/pguermo/.virtualenvs/superluminal-pdp/bin/ansible
  python version = 3.5.3 (default, Sep 27 2018, 17:25:39) [GCC 6.3.0 20170516]
```

##### STEPS TO REPRODUCE
Create several VMs on proxmox in a row. 
```
  proxmox_kvm:
    api_host: "{{ pve_host_fqdn }}"
    api_user: "{{ pve_user }}"
    api_password: "{{ pve_password }}"
    validate_certs: "{{ validate_certs }}"
    node: "{{ pve_node }}"

    name: "{{ ansible_host }}"
    pool: "{{ pool_id }}"
    vmid: "{{ vmid }}"

    description:  "{{ description | default(vm.description) }}"
    net:          "{{ net         | default(vm.net) }}"

    balloon:  "{{ balloon   | default(vm_defaults.balloon) }}"
    cores:    "{{ cores     | default(vm_defaults.cores) }}"
    ide:      "{{ ide       | default(vm_defaults.ide) }}"
    memory:   "{{ memory    | default(vm_defaults.memory) }}"
    ostype:   "{{ ostype    | default(vm_defaults.ostype) }}"
    scsi:     "{{ scsi      | default(vm_defaults.scsi) }}"

    state: present
  delegate_to: localhost
```

Some VMs will not be created. 

If you add traces in the function get_vmid(proxmox, name) of  ansible/modules/cloud/misc/proxmox_kvm.py, you'll notice that for some new VMs of the list, the dictionary doesn't have a 'name' entry. The `vm['name']` is then failing.

Use instead `vm.get('name')`. It will returns None if there is no name entry in the dictionary and the check `if vm.get('name') == name` can be processed properly.
balloon=dict(type='int', default=0),
            bios=dict(choices=['seabios', 'ovmf']),
            boot=dict(type='str', default='cnd'),
            bootdisk=dict(type='str'),
            clone=dict(type='str', default=None),
            cores=dict(type='int', default=1),
            cpu=dict(type='str', default='kvm64'),
            cpulimit=dict(type='int'),
            cpuunits=dict(type='int', default=1000),
            delete=dict(type='str', default=None),
            description=dict(type='str'),
            digest=dict(type='str'),
            force=dict(type='bool', default=None),
            format=dict(type='str', default='qcow2', choices=['cloop', 'cow', 'qcow', 'qcow2', 'qed', 'raw', 'vmdk']),
            freeze=dict(type='bool'),
            full=dict(type='bool', default='yes'),
            hostpci=dict(type='dict'),
            hotplug=dict(type='str'),
            hugepages=dict(choices=['any', '2', '1024']),
            ide=dict(type='dict', default=None),
            keyboard=dict(type='str'),
            kvm=dict(type='bool', default='yes'),
            localtime=dict(type='bool'),
            lock=dict(choices=['migrate', 'backup', 'snapshot', 'rollback']),
            machine=dict(type='str'),
            memory=dict(type='int', default=512),
            migrate_downtime=dict(type='int'),
            migrate_speed=dict(type='int'),
            name=dict(type='str'),
            net=dict(type='dict'),