network: fix state if network-manager restart or stopped

tower: https://tower.im/projects/8f19f0bf0e754f0b82ef2c24bc230973/todos/77e685da07da48cda8198f25eca5b4ae/#20505c24f58b410e867d41508e242b97
Change-Id: I36d56b3d63f3bee4a0be18667842ff84cefba938