HAL UDI for the device. The network interface offered by the device. The driver handling the device. Flags describing the capabilities of the device. The IPv4 address bound to the device. FIXME: what about devices with >1 IP address? The current state of the device. Object path of the Ip4Config object describing the configuration of the device. Only valid when the device is in the NM_DEVICE_STATE_ACTIVATED state. Object path of the Dhcp4Config object describing the DHCP options returned by the DHCP server. Only valid when the device is in the NM_DEVICE_STATE_ACTIVATED state. Whether or not this device is managed by NetworkManager. The new state of the device. The previous state of the device. A reason for the state transition. The device is in an unknown state. The device is not managed by NetworkManager. The device cannot be used (carrier off, rfkill, etc). The device is not connected. The device is preparing to connect. The device is being configured. The device is awaiting secrets necessary to continue connection. The IP settings of the device are being requested and configured. The device is active. The device is in a failure state following an attempt to activate it. Null capability. The device is supported by NetworkManager. The device supports carrier detection. The reason for the device state change is unknown. The state change is normal. The device is now managed. The device is no longer managed. The device could not be readied for configuration. IP configuration could not be reserved (no available address, timeout, etc). The IP configuration is no longer valid. Secrets were required, but not provided. The 802.1X supplicant disconnected from the access point or authentication server. Configuration of the 802.1X supplicant failed. The 802.1X supplicant quit or failed unexpectedly. The 802.1X supplicant took too long to authenticate. The PPP service failed to start within the allowed time. The PPP service disconnected unexpectedly. The PPP service quit or failed unexpectedly. The DHCP service failed to start within the allowed time. The DHCP service reported an unexpected error. The DHCP service quit or failed unexpectedly. The shared connection service failed to start. The shared connection service quit or failed unexpectedly. The AutoIP service failed to start. The AutoIP service reported an unexpected error. The AutoIP service quit or failed unexpectedly. Dialing failed because the line was busy. Dialing failed because there was no dial tone. Dialing failed because there was carrier. Dialing timed out. Dialing failed. Modem initialization failed. Failed to select the specified GSM APN. Not searching for networks. Network registration was denied. Network registration timed out. Failed to register with the requested GSM network. PIN check failed. Necessary firmware for the device may be missing. The device was removed. NetworkManager went to sleep. The device's active connection was removed or disappeared. A user or client requested the disconnection. The device's carrier/link changed.