It is still in hardy beta, and not only knetwork manager, but also network manager for gnome. Restarting helps..
-- [GUTSY] NetworkManager eating 100% CPU time https://bugs.launchpad.net/bugs/154762 You received this bug notification because you are a member of Kubuntu Team, which is subscribed to knetworkmanager in ubuntu. -- kubuntu-bugs mailing list [EMAIL PROTECTED] https://lists.ubuntu.com/mailman/listinfo/kubuntu-bugs