vault: See hashicorp/docker-vault#19

roles/vault/tasks/bootstrap/start_vault_temp.yml

@@ -9,6 +9,7 @@
   command: >
            docker run -d --cap-add=IPC_LOCK --name {{ vault_temp_container_name }}
            -p {{ vault_port }}:{{ vault_port }}
+           -e SKIP_SETCAP=true
            -e 'VAULT_LOCAL_CONFIG={{ vault_temp_config|to_json }}'
            -v /etc/vault:/etc/vault
            {{ vault_image_repo }}:{{ vault_version }} server