Comment 0 for bug 1889378

refer to https://salsa.debian.org/utopia-team/network-manager/-/blob/debian/master/introspection/org.freedesktop.NetworkManager.xml#L157

    <!--
        Sleep:
        @sleep: Indicates whether the NetworkManager daemon should sleep or wake.

        Control the NetworkManager daemon's sleep state. When asleep, all
        interfaces that it manages are deactivated. When awake, devices are
        available to be activated. This command should not be called directly by
        users or clients; it is intended for system suspend/resume tracking.
    -->
    <method name="Sleep">
      <arg name="sleep" type="b" direction="in"/>
    </method>

But the network not be deactivated after the Sleep method be called.