Comment 2 for bug 824260

Messages in syslog:
Aug 11 01:13:03 ubuntu NetworkManager[1708]: <info> Activation (wlan0) starting connection '920'
Aug 11 01:13:03 ubuntu NetworkManager[1708]: <info> (wlan0): device state change: disconnected -> prepare (reason 'none') [30 40 0]
Aug 11 01:13:03 ubuntu NetworkManager[1708]: <info> Activation (wlan0) Stage 1 of 5 (Device Prepare) scheduled...
Aug 11 01:13:03 ubuntu NetworkManager[1708]: <info> Activation (wlan0) Stage 1 of 5 (Device Prepare) started...
Aug 11 01:13:03 ubuntu NetworkManager[1708]: <info> Activation (wlan0) Stage 2 of 5 (Device Configure) scheduled...
Aug 11 01:13:03 ubuntu NetworkManager[1708]: <info> Activation (wlan0) Stage 1 of 5 (Device Prepare) complete.
Aug 11 01:13:03 ubuntu NetworkManager[1708]: <info> Activation (wlan0) Stage 2 of 5 (Device Configure) starting...
Aug 11 01:13:03 ubuntu NetworkManager[1708]: <info> (wlan0): device state change: prepare -> config (reason 'none') [40 50 0]
Aug 11 01:13:03 ubuntu NetworkManager[1708]: <info> Activation (wlan0/wireless): access point '920' has security, but secrets are required.
Aug 11 01:13:03 ubuntu NetworkManager[1708]: <info> (wlan0): device state change: config -> need-auth (reason 'none') [50 60 0]
Aug 11 01:13:03 ubuntu NetworkManager[1708]: <info> Activation (wlan0) Stage 2 of 5 (Device Configure) complete.
Aug 11 01:13:04 ubuntu NetworkManager[1708]: get_uchar_array: 802-11-wireless / ssid ignoring invalid byte element '920' (not between 0 and 255 inclusive)
Aug 11 01:13:04 ubuntu NetworkManager[1708]: ssid_parser: ignoring invalid SSID for 802-11-wireless / ssid
Aug 11 01:13:04 ubuntu NetworkManager[1708]: keyfile: error: invalid or missing connection property 'ssid'
Aug 11 01:13:04 ubuntu NetworkManager[1708]: <info> (wlan0): device state change: need-auth -> disconnected (reason 'connection-removed') [60 30 38]
Aug 11 01:13:04 ubuntu NetworkManager[1708]: <info> (wlan0): deactivating device (reason: 38).