This bug seems to occur only when using static IP with Wi-Fi. There is also a potential devel level fix for the problem described in the most recent comments on bug thread https://bugs.maemo.org/show_bug.cgi?id=6615

If you can confirm the bug only occurs with static IP, please post it on comments of the bug. Also if you are knowledgeable enough to use devel level fix, do post the results.