$ time sudo /usr/bin/python /usr/bin/neutron-rootwrap /etc/neutron/rootwrap.conf ip6tables-save
real 0m0.590s user 0m0.496s sys 0m0.064s
$ time sudo ip6tables-save
real 0m0.050s user 0m0.004s sys 0m0.016s
neutron-rootwrap is adding an overhead of 540ms - which when aggregated appears to be causing issues.
$ time sudo /usr/bin/python /usr/bin/ neutron- rootwrap /etc/neutron/ rootwrap. conf ip6tables-save
real 0m0.590s
user 0m0.496s
sys 0m0.064s
$ time sudo ip6tables-save
real 0m0.050s
user 0m0.004s
sys 0m0.016s
neutron-rootwrap is adding an overhead of 540ms - which when aggregated appears to be causing issues.