I am also not able to connect via wlan after upgrading from Kubuntu 15.04 to 15.10. Removing access point and adding it again helps but only until restart or suspend. Really annoying bug.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1509140 Title: Can only connect once to wireless network To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/plasma-nm/+bug/1509140/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs