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-rw-r--r--vpp/api/api.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/vpp/api/api.c b/vpp/api/api.c
index 9867b596216..aaa4be58f55 100644
--- a/vpp/api/api.c
+++ b/vpp/api/api.c
@@ -1859,6 +1859,11 @@ vl_api_create_subif_t_handler (vl_api_create_subif_t * mp)
si = vnet_get_sup_sw_interface (vnm, ntohl(mp->sw_if_index));
hi = vnet_get_sup_hw_interface (vnm, ntohl(mp->sw_if_index));
+ if (hi->bond_info == VNET_HW_INTERFACE_BOND_INFO_SLAVE) {
+ rv = VNET_API_ERROR_BOND_SLAVE_NOT_ALLOWED;
+ goto out;
+ }
+
sw_if_index = si->sw_if_index;
sub_id = ntohl(mp->sub_id);