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-rw-r--r--src/vpp/api/custom_dump.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/src/vpp/api/custom_dump.c b/src/vpp/api/custom_dump.c
index f1798de16c0..be6b094913b 100644
--- a/src/vpp/api/custom_dump.c
+++ b/src/vpp/api/custom_dump.c
@@ -1785,7 +1785,8 @@ static void *vl_api_sw_interface_vhost_user_dump_t_print
u8 *s;
s = format (0, "SCRIPT: sw_interface_vhost_user_dump ");
- s = format (s, "sw_if_index %d ", (mp->sw_if_index));
+ if (mp->sw_if_index != ~0)
+ s = format (s, "sw_if_index %d ", (mp->sw_if_index));
FINISH;
}