f"{stats_snapshot[cntr][:, sw_if_index].sum()}, "
f"expected diff: {diff})",
)
- except IndexError:
+ except IndexError as e:
# if diff is 0, then this most probably a case where
# test declares multiple interfaces but traffic hasn't
# passed through this one yet - which means the counter
# value is 0 and can be ignored
if 0 != diff:
- raise
+ raise Exception(
+ f"Couldn't sum counter: {cntr} on sw_if_index: {sw_if_index}"
+ ) from e
def send_and_assert_no_replies(
self, intf, pkts, remark="", timeout=None, stats_diff=None, trace=True, msg=None