Comment 7 for bug 199066

It's broken for me with version 0.6.6~rc2-0ubuntu3.

The relevant syslog is:
NetworkManager: <info> Updating allowed wireless network lists.
NetworkManager: <info> SWITCH: no current connection, found better connection 'ath0'.
dhcdbd: message_handler: message handler not found under /com/redhat/dhcp/ath0 for sub-path ath0.dbus.get.reason
NetworkManager: <info> Will activate connection 'ath0/my_net'.
NetworkManager: <info> Device ath0 activation scheduled...
NetworkManager: <info> Activation (ath0) started...
NetworkManager: <info> Activation (ath0) Stage 1 of 5 (Device Prepare) scheduled...
NetworkManager: <info> Activation (ath0) Stage 1 of 5 (Device Prepare) started...
NetworkManager: <info> Old device 'ath0' activating, won't change.
NetworkManager: <info> Old device 'ath0' activating, won't change.
NetworkManager: <info> Activation (ath0) Stage 2 of 5 (Device Configure) scheduled...
NetworkManager: <info> Activation (ath0) Stage 1 of 5 (Device Prepare) complete.
NetworkManager: <info> Activation (ath0) Stage 2 of 5 (Device Configure) starting...
NetworkManager: <info> Activation (ath0/wireless): access point 'my_net' is encrypted, but NO valid key exists. New key needed.
NetworkManager: <info> Activation (ath0) New wireless user key requested for network 'my_net'.
NetworkManager: <info> Activation (ath0) Stage 2 of 5 (Device Configure) complete.
NetworkManager: <info> Activation (ath0) New wireless user key for network 'my_net' received.
NetworkManager: <info> Activation (ath0) Stage 1 of 5 (Device Prepare) scheduled...
NetworkManager: <info> Activation (ath0) Stage 1 of 5 (Device Prepare) started...
NetworkManager: <info> Activation (ath0) Stage 2 of 5 (Device Configure) scheduled...
NetworkManager: <info> Activation (ath0) Stage 1 of 5 (Device Prepare) complete.
NetworkManager: <info> Activation (ath0) Stage 2 of 5 (Device Configure) starting...
NetworkManager: <info> Activation (ath0/wireless): access point 'my_net' is encrypted, and a key exists. No new key needed.
NetworkManager: <info> retry to connect to global supplicant socket (try=1)
NetworkManager: <info> SUP: sending command 'INTERFACE_ADD ath0^I^Iwext^I/var/run/wpa_supplicant0^I'
NetworkManager: <info> SUP: response was 'OK'
NetworkManager: <info> SUP: sending command 'AP_SCAN 2'
NetworkManager: <info> SUP: response was 'OK'
NetworkManager: <info> SUP: sending command 'ADD_NETWORK'
NetworkManager: <info> SUP: response was '0'
NetworkManager: <info> SUP: sending command 'SET_NETWORK 0 ssid 7161706c5d5c6574'
NetworkManager: <info> SUP: response was 'OK'
NetworkManager: <info> SUP: sending command 'SET_NETWORK 0 scan_ssid 1'
NetworkManager: <info> SUP: response was 'OK'
NetworkManager: <info> SUP: sending command 'SET_NETWORK 0 proto WPA'
NetworkManager: <info> SUP: response was 'OK'
NetworkManager: <info> SUP: sending command 'SET_NETWORK 0 key_mgmt WPA-PSK'
NetworkManager: <info> SUP: response was 'OK'
NetworkManager: <info> SUP: sending command 'SET_NETWORK 0 psk <key>'
NetworkManager: <info> SUP: response was 'OK'
NetworkManager: <info> SUP: sending command 'ENABLE_NETWORK 0'
NetworkManager: <info> SUP: response was 'OK'
NetworkManager: <info> Activation (ath0) Stage 2 of 5 (Device Configure) complete.
NetworkManager: <info> Supplicant state changed: 0
NetworkManager: <info> Old device 'ath0' activating, won't change.
NetworkManager: <info> Supplicant state changed: 0
last message repeated 3 times
NetworkManager: <info> Activation (ath0/wireless): disconnected during association, asking for new key.
NetworkManager: <info> Activation (ath0) New wireless user key requested for network 'my_net'.
NetworkManager: <info> Supplicant state changed: 0
last message repeated 4 times
NetworkManager: <info> ath0: link timed out.
NetworkManager: <info> Supplicant state changed: 0
last message repeated 4 times
NetworkManager: <info> ath0: link timed out.

and so on.