interfaces in promiscuous mode- why?

[bamba]

Hi,

can anyone tell why these interfaces entered to promiscuous mode?
Why is it for?


Jan 1 01:00:04 kernel: vlan0: dev_set_promiscuity(master, 1)
Jan 1 01:00:04 kernel: device eth0 entered promiscuous mode
Jan 1 01:00:04 kernel: device vlan0 entered promiscuous mode
Jan 1 01:00:04 kernel: device eth1 entered promiscuous mode
Jan 1 01:00:04 kernel: br0: port 2(eth1) entering listening state

[bamba]

somebody pls answer me... :)

[engy]

Because of bridging them together.