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-rw-r--r--nova/flags.py2
1 files changed, 2 insertions, 0 deletions
diff --git a/nova/flags.py b/nova/flags.py
index 48d5e8168..ce5356723 100644
--- a/nova/flags.py
+++ b/nova/flags.py
@@ -402,3 +402,5 @@ DEFINE_bool('resume_guests_state_on_host_boot', False,
DEFINE_string('root_helper', 'sudo',
'Command prefix to use for running commands as root')
+
+DEFINE_bool('use_ipv6', False, 'use ipv6')