https://bugzilla.suse.com/show_bug.cgi?id=1179754 https://bugzilla.suse.com/show_bug.cgi?id=1179754#c1 --- Comment #1 from Jonathan Kang <songchuan.kang@suse.com> --- reason 6 stands for "Class 2 frame received from nonauthenticated STA". In other words, AP thinks the STA with aforementioned MAC is not authenticated but sending data. There is not much to do with NetworkManager. The wifi supplicant disconnects the wireless connection due to this. -- You are receiving this mail because: You are on the CC list for the bug.