Что-то ты такое делал?
Feb 26 00:57:07 device NetworkManager[1048]: nm_setting_802_1x_get_pkcs11_engine_path: assertion `NM_IS_SETTING_802_1X (setting)' failed
Feb 26 00:57:07 device NetworkManager[1048]: nm_setting_802_1x_get_pkcs11_module_path: assertion `NM_IS_SETTING_802_1X (setting)' failed
Feb 26 01:07:59 device pppd[28950]: Failed to create PPPoE socket: Protocol not supported
Какие модули ядра подгружал? Вспоминай.