Merge pull request #97 from jordant/master

Set arp_announce '2' sysctl for all interfaces
Merge pull request #98 from jordant/master

Adding various useful debuging tools / conntrack pacakge
Deletes related connection states for Floating IPs.

When a Floating IP is dissociated with a port, the current connection with the
floating ip is still working. This patch will clear the connection state when
the address is removed and cut off the connection immediately.
Merge pull request #99 from ryanpetrello/master

Deletes related connection states for Floating IPs.
Disable accept_dad on all interfaces except external

Disable duplicate address detection on all interfaces except
the external interface (eth1). This change is to fix race conditions
with bird6 binding to tenant networks as well as SSHD binding to
the mgmt interface on boot.