TODO

main code
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Add netlink based API?
we have a tiny deviation from IEEE 802.1d: we don't kill the awaiting-tx skb
  queue when a port leaves the FORWARDING state
RH initscripts for setting up bridge interfaces automatically
bridge ID change notifications

move the spanning tree code to userspace
to be MLT (Nortel Multi Link Trunking) compatible: send bpdu's on all
  interfaces in the bonding bundle

faster switch to forward mode
  per-port STP disabling
  'fast start': listening->learning->forwarding in 2*hello instead of 2*fd

enslaved devs same MAC (like tap), then one changes

managerial
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improve documentation..

netfilter patch
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sync MAC addresses DNAT/SNAT
make src mac substitution configurable
br_nf_pre_routing: ip_route_output -> output_key
check: don't send unreachables
stp state delay
kernel panic on REDIRECT on bridge device w/o IP address