I realized these new syslog messages at a 32 bit stable Gentoo, which have
4 configured TAP devices attached to a bridge :
2013-04-08T19:55:20.048+02:00 n22 kernel: br0: port 4(tap3) entered forwarding state
2013-04-08T19:55:20.048+02:00 n22 kernel: br0: port 4(tap3) entered forwarding state
2013-04-08T19:55:20.316+02:00 n22 kernel: br0: port 4(tap3) entered disabled state
This happened one time only and only for one device (for tap3, and all 4 devices are identical configured)
for one boot attempt till now - no configuration were changed.
--
MfG/Sincerely
Toralf Förster
pgp finger print: 7B1A 07F4 EC82 0F90 D4C2 8936 872A E508 7DB6 9DA3