Allow dhcp responce in ebtables

[snf-network] / rt_tables

#
# reserved values
#
255 local
254 main
253 default
0 unspec
#
# local
#
#1  inr.ruhep
# dev.grnet.gr, routing table used
# for the public IP space allocated to Synnefo VMs
# This *must* match the name of the link
# in gnt-network for nfdhcpd to work properly.
44  rt_net100
45  rt_net101
46  rt_public