The log shows that DHCP requests timeout, are you sure the wifi you are trying to connect to is working? It looks like an infrastructure issue rather than an Ubuntu bug
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1767322 Title: "Activation of network connection failed" popup shows incessantly To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/network-manager/+bug/1767322/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
