Description of problem: brctl addbr X brctl addif X em1 Version-Release number of selected component: NetworkManager-0.9.10.0-13.git20140704.fc21 Additional info: reporter: libreport-2.3.0 backtrace_rating: 4 cmdline: /usr/sbin/NetworkManager --no-daemon crash_function: device_master_changed executable: /usr/sbin/NetworkManager kernel: 3.17.2-300.fc21.x86_64 runlevel: N 5 type: CCpp uid: 0 Truncated backtrace: Thread no. 1 (10 frames) #4 device_master_changed at nm-active-connection.c:366 #10 g_object_notify_by_spec_internal at gobject.c:1149 #11 g_object_notify at gobject.c:1197 #12 nm_device_slave_notify_enslave at devices/nm-device.c:1415 #13 nm_device_enslave_slave at devices/nm-device.c:776 #14 device_link_changed at devices/nm-device.c:1067 #15 link_changed_cb at devices/nm-device.c:1120 #16 ffi_call_unix64 at ../src/x86/unix64.S:76 #17 ffi_call at ../src/x86/ffi64.c:525 #18 g_cclosure_marshal_generic at gclosure.c:1448
Created attachment 960791 [details] File: backtrace
Created attachment 960792 [details] File: cgroup
Created attachment 960793 [details] File: core_backtrace
Created attachment 960794 [details] File: dso_list
Created attachment 960795 [details] File: environ
Created attachment 960796 [details] File: limits
Created attachment 960797 [details] File: maps
Created attachment 960798 [details] File: open_fds
Created attachment 960799 [details] File: proc_pid_status
Created attachment 960800 [details] File: var_log_messages
Backported a fix from upstream master to nm-0-9-10: 05f6860 core: do not assert when a device is enslaved externally (rh #1167345)
NetworkManager-0.9.10.0-14.git20140704.fc21 has been submitted as an update for Fedora 21. https://admin.fedoraproject.org/updates/NetworkManager-0.9.10.0-14.git20140704.fc21
Package NetworkManager-0.9.10.0-14.git20140704.fc21: * should fix your issue, * was pushed to the Fedora 21 testing repository, * should be available at your local mirror within two days. Update it with: # su -c 'yum update --enablerepo=updates-testing NetworkManager-0.9.10.0-14.git20140704.fc21' as soon as you are able to. Please go to the following url: https://admin.fedoraproject.org/updates/FEDORA-2014-15651/NetworkManager-0.9.10.0-14.git20140704.fc21 then log in and leave karma (feedback).
NetworkManager-0.9.10.0-14.git20140704.fc21 has been pushed to the Fedora 21 stable repository. If problems still persist, please make note of it in this bug report.