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Warning: this page will surely need to be checked and updated every once in a while. Refer to [[|include/NetworkManager.h]].

General device state change reason codes

        /* No reason given */
        NM_DEVICE_STATE_REASON_NONE = 0,

        /* Unknown error */
        NM_DEVICE_STATE_REASON_UNKNOWN = 1,

        /* Device is now managed */
        NM_DEVICE_STATE_REASON_NOW_MANAGED = 2,

        /* Device is now unmanaged */
        NM_DEVICE_STATE_REASON_NOW_UNMANAGED = 3,

        /* The device could not be readied for configuration */
        NM_DEVICE_STATE_REASON_CONFIG_FAILED = 4,

        /* IP configuration could not be reserved (no available address, timeout, etc) */
        NM_DEVICE_STATE_REASON_IP_CONFIG_UNAVAILABLE = 5,

        /* The IP config is no longer valid */
        NM_DEVICE_STATE_REASON_IP_CONFIG_EXPIRED = 6,

        /* Secrets were required, but not provided */
        NM_DEVICE_STATE_REASON_NO_SECRETS = 7,

        /* 802.1x supplicant disconnected */
        NM_DEVICE_STATE_REASON_SUPPLICANT_DISCONNECT = 8,

        /* 802.1x supplicant configuration failed */
        NM_DEVICE_STATE_REASON_SUPPLICANT_CONFIG_FAILED = 9,

        /* 802.1x supplicant failed */
        NM_DEVICE_STATE_REASON_SUPPLICANT_FAILED = 10,

        /* 802.1x supplicant took too long to authenticate */
        NM_DEVICE_STATE_REASON_SUPPLICANT_TIMEOUT = 11,

        /* PPP service failed to start */
        NM_DEVICE_STATE_REASON_PPP_START_FAILED = 12,

        /* PPP service disconnected */
        NM_DEVICE_STATE_REASON_PPP_DISCONNECT = 13,

        /* PPP failed */
        NM_DEVICE_STATE_REASON_PPP_FAILED = 14,

        /* DHCP client failed to start */
        NM_DEVICE_STATE_REASON_DHCP_START_FAILED = 15,

        /* DHCP client error */
        NM_DEVICE_STATE_REASON_DHCP_ERROR = 16,

        /* DHCP client failed */
        NM_DEVICE_STATE_REASON_DHCP_FAILED = 17,

        /* Shared connection service failed to start */
        NM_DEVICE_STATE_REASON_SHARED_START_FAILED = 18,

        /* Shared connection service failed */
        NM_DEVICE_STATE_REASON_SHARED_FAILED = 19,

        /* AutoIP service failed to start */
        NM_DEVICE_STATE_REASON_AUTOIP_START_FAILED = 20,

        /* AutoIP service error */
        NM_DEVICE_STATE_REASON_AUTOIP_ERROR = 21,

        /* AutoIP service failed */
        NM_DEVICE_STATE_REASON_AUTOIP_FAILED = 22,

        /* The line is busy */
        NM_DEVICE_STATE_REASON_MODEM_BUSY = 23,

        /* No dial tone */
        NM_DEVICE_STATE_REASON_MODEM_NO_DIAL_TONE = 24,

        /* No carrier could be established */
        NM_DEVICE_STATE_REASON_MODEM_NO_CARRIER = 25,

        /* The dialing request timed out */
        NM_DEVICE_STATE_REASON_MODEM_DIAL_TIMEOUT = 26,

        /* The dialing attempt failed */
        NM_DEVICE_STATE_REASON_MODEM_DIAL_FAILED = 27,

        /* Modem initialization failed */
        NM_DEVICE_STATE_REASON_MODEM_INIT_FAILED = 28,

        /* Failed to select the specified APN */
        NM_DEVICE_STATE_REASON_GSM_APN_FAILED = 29,

        /* Not searching for networks */
        NM_DEVICE_STATE_REASON_GSM_REGISTRATION_NOT_SEARCHING = 30,

        /* Network registration denied */
        NM_DEVICE_STATE_REASON_GSM_REGISTRATION_DENIED = 31,

        /* Network registration timed out */
        NM_DEVICE_STATE_REASON_GSM_REGISTRATION_TIMEOUT = 32,

        /* Failed to register with the requested network */
        NM_DEVICE_STATE_REASON_GSM_REGISTRATION_FAILED = 33,

        /* PIN check failed */
        NM_DEVICE_STATE_REASON_GSM_PIN_CHECK_FAILED = 34,

        /* Necessary firmware for the device may be missing */
        NM_DEVICE_STATE_REASON_FIRMWARE_MISSING = 35,

        /* The device was removed */
        NM_DEVICE_STATE_REASON_REMOVED = 36,

        /* NetworkManager went to sleep */
        NM_DEVICE_STATE_REASON_SLEEPING = 37,

        /* The device's active connection disappeared */
        NM_DEVICE_STATE_REASON_CONNECTION_REMOVED = 38,

        /* Device disconnected by user or client */
        NM_DEVICE_STATE_REASON_USER_REQUESTED = 39,

        /* Carrier/link changed */
        NM_DEVICE_STATE_REASON_CARRIER = 40,

        /* The device's existing connection was assumed */
        NM_DEVICE_STATE_REASON_CONNECTION_ASSUMED = 41,

        /* The supplicant is now available */
        NM_DEVICE_STATE_REASON_SUPPLICANT_AVAILABLE = 42,

        /* The modem could not be found */
        NM_DEVICE_STATE_REASON_MODEM_NOT_FOUND = 43,

        /* The Bluetooth connection failed or timed out */
        NM_DEVICE_STATE_REASON_BT_FAILED = 44,

        /* Unused */
        NM_DEVICE_STATE_REASON_LAST = 0xFFFF

VPN state change reason codes

typedef enum NMVPNConnectionStateReason
{
        NM_VPN_CONNECTION_STATE_REASON_UNKNOWN = 0,
        NM_VPN_CONNECTION_STATE_REASON_NONE,
        NM_VPN_CONNECTION_STATE_REASON_USER_DISCONNECTED,
        NM_VPN_CONNECTION_STATE_REASON_DEVICE_DISCONNECTED,
        NM_VPN_CONNECTION_STATE_REASON_SERVICE_STOPPED,
        NM_VPN_CONNECTION_STATE_REASON_IP_CONFIG_INVALID,
        NM_VPN_CONNECTION_STATE_REASON_CONNECT_TIMEOUT,
        NM_VPN_CONNECTION_STATE_REASON_SERVICE_START_TIMEOUT,
        NM_VPN_CONNECTION_STATE_REASON_SERVICE_START_FAILED,
        NM_VPN_CONNECTION_STATE_REASON_NO_SECRETS,
        NM_VPN_CONNECTION_STATE_REASON_LOGIN_FAILED,
        NM_VPN_CONNECTION_STATE_REASON_CONNECTION_REMOVED
} NMVPNConnectionStateReason;