Ansible task running twice

gistfile1.txt

###
### Main YAML file
###
- hosts: leaf_switches       <<< note: this group has two elements, nx3 and nx4
  connection: local
  roles:
    - configure_access_ports



###
### vars/main.yaml
###
---
# host (switch name), interface, description, mode (access/trunk), vlan_id (native vlan for trunk), allowed_vlans (trunks only), speed, duplex, state (admin state up/down)
port_list:
  - { host: "nx3", interface: "Ethernet2/5", description: "server1_eth0", mode: access, vlan_id: "199", speed: "auto", duplex: "auto", state: "up" }
  - { host: "nx4", interface: "Ethernet2/5", description: "server1_eth1", mode: access, vlan_id: "199", speed: "auto", duplex: "auto", state: "up" }



###
### tasks/main.yaml
###
---
- name: Configuring physical interface properties
  nxos_interface:
    host="{{ item.host }}"
    username="{{ username }}"
    password="{{ password }}"
    transport=nxapi
    interface="{{ item.interface }}"
    description="{{ item.description }}"
    mode=layer2
    admin_state="down"
  with_items: "{{ port_list }}"
[...]



###
### Output
###
TASK [configure_access_ports : Configuring physical interface properties] ******
changed: [localhost] => (item={u'description': u'server1_eth0', u'duplex': u'auto', u'host': u'nx3', u'state': u'up', u'mode': u'access', u'interface': u'Ethernet2/5', u'speed': u'auto', u'vlan_id': u'199'})
changed: [localhost] => (item={u'description': u'server1_eth1', u'duplex': u'auto', u'host': u'nx4', u'state': u'up', u'mode': u'access', u'interface': u'Ethernet2/5', u'speed': u'auto', u'vlan_id': u'199'})
ok: [localhost] => (item={u'description': u'server2_eth0', u'duplex': u'full', u'host': u'nx3', u'state': u'down', u'mode': u'trunk', u'interface': u'Ethernet2/6', u'allowed_vlans': u'180,199', u'speed': u'1000', u'vlan_id': u'1'})
changed: [localhost] => (item={u'description': u'server3_eth0', u'duplex': u'auto', u'host': u'nx4', u'state': u'up', u'mode': u'access', u'interface': u'Ethernet2/7', u'speed': u'auto', u'vlan_id': u'199'})
changed: [localhost] => (item={u'description': u'server3_eth1', u'duplex': u'auto', u'host': u'nx3', u'state': u'up', u'mode': u'access', u'interface': u'Ethernet2/7', u'speed': u'auto', u'vlan_id': u'199'})
ok: [localhost] => (item={u'description': u'server4_eth0', u'duplex': u'full', u'host': u'nx3', u'state': u'down', u'mode': u'trunk', u'interface': u'Ethernet2/8', u'allowed_vlans': u'180,199', u'speed': u'1000', u'vlan_id': u'1'})