After upgrade to yoga bug still is affecting.
The above workaround is not working for a newly created vpn endpoints.
So I found the new workaround: after restart neutron_l3_agent run commands: docker exec -t -u root neutron_l3_agent rm -f /run/pluto/pluto.ctl docker exec -t -u root neutron_l3_agent rm -f /run/pluto/pluto.pid docker exec -t -u root neutron_l3_agent /usr/libexec/ipsec/_plutorun
After upgrade to yoga bug still is affecting.
The above workaround is not working for a newly created vpn endpoints.
So I found the new workaround: after restart neutron_l3_agent run commands: pluto.ctl pluto.pid ipsec/_ plutorun
docker exec -t -u root neutron_l3_agent rm -f /run/pluto/
docker exec -t -u root neutron_l3_agent rm -f /run/pluto/
docker exec -t -u root neutron_l3_agent /usr/libexec/