Thank you for taking the time to report this bug and helping to make Ubuntu better. Unfortunately, we can't fix it because your description didn't include enough information.
The next time this occurs please run the following command in a console terminal window
apport-collect -p network-manager 372131
this will collect some debug information that is useful to the developers to assist
them in fixing this bug.
thx
Thank you for taking the time to report this bug and helping to make Ubuntu better. Unfortunately, we can't fix it because your description didn't include enough information.
The next time this occurs please run the following command in a console terminal window
apport-collect -p network-manager 372131
this will collect some debug information that is useful to the developers to assist
them in fixing this bug.
thx