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-rw-r--r--docker/neutron/neutron-base/extend_start.sh3
1 files changed, 2 insertions, 1 deletions
diff --git a/docker/neutron/neutron-base/extend_start.sh b/docker/neutron/neutron-base/extend_start.sh
index 6d99826d6..32108209d 100644
--- a/docker/neutron/neutron-base/extend_start.sh
+++ b/docker/neutron/neutron-base/extend_start.sh
@@ -13,7 +13,8 @@ else
fi
# set legacy iptables to allow kernels not supporting iptables-nft
-if $UPDATE_ALTERNATIVES --query iptables; then
+# CentOS has update-alternatives 1.13, so use --display (not --query)
+if $UPDATE_ALTERNATIVES --display iptables; then
# NOTE(yoctozepto): Kolla-Ansible does not always set KOLLA_LEGACY_IPTABLES;
# the workaround below ensures it gets set to `false` in such cases to fix
# this code under `set -o nounset`.