Syslog spammed with promiscuous mode messages
Affected devices:
- MOX
Affected HW combinations:
- MOX A + MOX B + MOX C
- MOX A + MOX E
TurrisOS branch + date:
- HBS - 2019-03-10 (alfa 2)
- HBD - 2019-03-14
Affected SW component (best guess)
- kernel / network configuration
Detailed description
Kernel spam syslog with promiscuous mode messages off br-guest_turris
interface. There is always "on" and "off" consecutive messages circa ten times a second.
Setup (+stacktraces/screenshots)
syslog fragment:
Mar 10 13:07:12 turris kernel: [ 2860.424244] device br-guest_turris entered promiscuous mode
Mar 10 13:07:12 turris kernel: [ 2860.494298] device br-guest_turris left promiscuous mode
Mar 10 13:07:12 turris kernel: [ 2861.014159] device br-guest_turris entered promiscuous mode
Mar 10 13:07:13 turris kernel: [ 2861.084074] device br-guest_turris left promiscuous mode
Mar 10 13:07:13 turris kernel: [ 2861.604066] device br-guest_turris entered promiscuous mode
Mar 10 13:07:13 turris kernel: [ 2861.663915] device br-guest_turris left promiscuous mode
Unexpected behaviour
Log is full of useless messages. Changing this states probably slow down CPU/kernel from useful work (such as routing
Expected behaviour
Promiscuous mode is not changed so often or not at all.