/!\ Warning: this page will surely need to be checked and updated every once in a while. Refer to [[http://cgit.freedesktop.org/NetworkManager/NetworkManager/tree/include/NetworkManager.h|include/NetworkManager.h]] and [[http://cgit.freedesktop.org/NetworkManager/NetworkManager/tree/include/NetworkManagerVPN.h|include/NetworkManagerVPN.h]].

== General device state change reason codes ==

The python script I used to generate this from NetworkManager.h is in [[https://code.edge.launchpad.net/~mathieu-tl/+junk/nm-dev-tools|lp:~mathieu-tl/+junk/nm-dev-tools]].

||'''Code Number'''||'''Name'''||'''Explanation'''||
||  0 || NM_DEVICE_STATE_REASON_NONE  ||  No reason given  ||
||  1 || NM_DEVICE_STATE_REASON_UNKNOWN  ||  Unknown error  ||
||  2 || NM_DEVICE_STATE_REASON_NOW_MANAGED  ||  Device is now managed  ||
||  3 || NM_DEVICE_STATE_REASON_NOW_UNMANAGED  ||  Device is now unmanaged  ||
||  4 || NM_DEVICE_STATE_REASON_CONFIG_FAILED  ||  The device could not be readied for configuration  ||
||  5 || NM_DEVICE_STATE_REASON_IP_CONFIG_UNAVAILABLE  ||  IP configuration could not be reserved (no available address, timeout, etc)  ||
||  6 || NM_DEVICE_STATE_REASON_IP_CONFIG_EXPIRED  ||  The IP config is no longer valid  ||
||  7 || NM_DEVICE_STATE_REASON_NO_SECRETS  ||  Secrets were required, but not provided  ||
||  8 || NM_DEVICE_STATE_REASON_SUPPLICANT_DISCONNECT  ||  802.1x supplicant disconnected  ||
||  9 || NM_DEVICE_STATE_REASON_SUPPLICANT_CONFIG_FAILED  ||  802.1x supplicant configuration failed  ||
||  10 || NM_DEVICE_STATE_REASON_SUPPLICANT_FAILED  ||  802.1x supplicant failed  ||
||  11 || NM_DEVICE_STATE_REASON_SUPPLICANT_TIMEOUT  ||  802.1x supplicant took too long to authenticate  ||
||  12 || NM_DEVICE_STATE_REASON_PPP_START_FAILED  ||  PPP service failed to start  ||
||  13 || NM_DEVICE_STATE_REASON_PPP_DISCONNECT  ||  PPP service disconnected  ||
||  14 || NM_DEVICE_STATE_REASON_PPP_FAILED  ||  PPP failed  ||
||  15 || NM_DEVICE_STATE_REASON_DHCP_START_FAILED  ||  DHCP client failed to start  ||
||  16 || NM_DEVICE_STATE_REASON_DHCP_ERROR  ||  DHCP client error  ||
||  17 || NM_DEVICE_STATE_REASON_DHCP_FAILED  ||  DHCP client failed  ||
||  18 || NM_DEVICE_STATE_REASON_SHARED_START_FAILED  ||  Shared connection service failed to start  ||
||  19 || NM_DEVICE_STATE_REASON_SHARED_FAILED  ||  Shared connection service failed  ||
||  20 || NM_DEVICE_STATE_REASON_AUTOIP_START_FAILED  ||  AutoIP service failed to start  ||
||  21 || NM_DEVICE_STATE_REASON_AUTOIP_ERROR  ||  AutoIP service error  ||
||  22 || NM_DEVICE_STATE_REASON_AUTOIP_FAILED  ||  AutoIP service failed  ||
||  23 || NM_DEVICE_STATE_REASON_MODEM_BUSY  ||  The line is busy  ||
||  24 || NM_DEVICE_STATE_REASON_MODEM_NO_DIAL_TONE  ||  No dial tone  ||
||  25 || NM_DEVICE_STATE_REASON_MODEM_NO_CARRIER  ||  No carrier could be established  ||
||  26 || NM_DEVICE_STATE_REASON_MODEM_DIAL_TIMEOUT  ||  The dialing request timed out  ||
||  27 || NM_DEVICE_STATE_REASON_MODEM_DIAL_FAILED  ||  The dialing attempt failed  ||
||  28 || NM_DEVICE_STATE_REASON_MODEM_INIT_FAILED  ||  Modem initialization failed  ||
||  29 || NM_DEVICE_STATE_REASON_GSM_APN_FAILED  ||  Failed to select the specified APN  ||
||  30 || NM_DEVICE_STATE_REASON_GSM_REGISTRATION_NOT_SEARCHING  ||  Not searching for networks  ||
||  31 || NM_DEVICE_STATE_REASON_GSM_REGISTRATION_DENIED  ||  Network registration denied  ||
||  32 || NM_DEVICE_STATE_REASON_GSM_REGISTRATION_TIMEOUT  ||  Network registration timed out  ||
||  33 || NM_DEVICE_STATE_REASON_GSM_REGISTRATION_FAILED  ||  Failed to register with the requested network  ||
||  34 || NM_DEVICE_STATE_REASON_GSM_PIN_CHECK_FAILED  ||  PIN check failed  ||
||  35 || NM_DEVICE_STATE_REASON_FIRMWARE_MISSING  ||  Necessary firmware for the device may be missing  ||
||  36 || NM_DEVICE_STATE_REASON_REMOVED  ||  The device was removed  ||
||  37 || NM_DEVICE_STATE_REASON_SLEEPING  ||  NetworkManager went to sleep  ||
||  38 || NM_DEVICE_STATE_REASON_CONNECTION_REMOVED  ||  The device's active connection disappeared  ||
||  39 || NM_DEVICE_STATE_REASON_USER_REQUESTED  ||  Device disconnected by user or client  ||
||  40 || NM_DEVICE_STATE_REASON_CARRIER  ||  Carrier/link changed  ||
||  41 || NM_DEVICE_STATE_REASON_CONNECTION_ASSUMED  ||  The device's existing connection was assumed  ||
||  42 || NM_DEVICE_STATE_REASON_SUPPLICANT_AVAILABLE  ||  The supplicant is now available  ||
||  43 || NM_DEVICE_STATE_REASON_MODEM_NOT_FOUND  ||  The modem could not be found  ||
||  44 || NM_DEVICE_STATE_REASON_BT_FAILED  ||  The Bluetooth connection failed or timed out  ||
||  0xFFFF || NM_DEVICE_STATE_REASON_LAST  ||  Unused  ||

== VPN state change reason codes ==

||'''Code Number'''||'''Name'''||'''Explanation'''||
|| 0  || NM_VPN_CONNECTION_STATE_REASON_UNKNOWN                || Unknown error ||
|| 1  || NM_VPN_CONNECTION_STATE_REASON_NONE                   || No reason given ||
|| 2  || NM_VPN_CONNECTION_STATE_REASON_USER_DISCONNECTED      || User disconnected the session ||
|| 3  || NM_VPN_CONNECTION_STATE_REASON_DEVICE_DISCONNECTED    || The underlying device was disconnected ||
|| 4  || NM_VPN_CONNECTION_STATE_REASON_SERVICE_STOPPED        || VPN service was stopped ||
|| 5  || NM_VPN_CONNECTION_STATE_REASON_IP_CONFIG_INVALID      || Invalid IP configuration (or IP selection timeout) ||
|| 6  || NM_VPN_CONNECTION_STATE_REASON_CONNECT_TIMEOUT        || Connection timeout ||
|| 7  || NM_VPN_CONNECTION_STATE_REASON_SERVICE_START_TIMEOUT  || The VPN service did not start in a timely manner ||
|| 8  || NM_VPN_CONNECTION_STATE_REASON_SERVICE_START_FAILED   || The VPN service failed to start ||
|| 9  || NM_VPN_CONNECTION_STATE_REASON_NO_SECRETS             || No secrets are available, but are needed for the connection ||
|| 10 || NM_VPN_CONNECTION_STATE_REASON_LOGIN_FAILED           || Failed to login to the VPN ||
|| 11 || NM_VPN_CONNECTION_STATE_REASON_CONNECTION_REMOVED     || The connection was removed ||