enable_service ironic ir-api ir-cond

# NOTE(vsaienko) mtu calculation has been changed recently to 1450
# https://github.com/openstack/neutron/commit/51a697
# and caused https://bugs.launchpad.net/ironic/+bug/1631875
# Get the smallest local MTU
local_mtu=$(ip link show | sed -ne 's/.*mtu \([0-9]\+\).*/\1/p' | sort -n | head -1)
# 50 bytes is overhead for vxlan (which is greater than GRE
# allowing us to use either overlay option with this MTU.
PUBLIC_BRIDGE_MTU=$((local_mtu - 50))