diff --git a/datadog/api/api_client.py b/datadog/api/api_client.py
index f453b4ec9..851c2e9ad 100644
--- a/datadog/api/api_client.py
+++ b/datadog/api/api_client.py
@@ -257,7 +257,10 @@ def _should_submit(cls):
         # number of timeouts, then enter the backoff state, recording the time
         # we started backing off
         if not cls._backoff_timestamp and cls._timeout_counter >= cls._max_timeouts:
-            log.info("Max number of datadog timeouts exceeded, backing off for {0} seconds".format(cls._backoff_period))
+            log.info(
+                "Max number of datadog timeouts exceeded, backing off for %s seconds",
+                cls._backoff_period,
+            )
             cls._backoff_timestamp = now
             should_submit = False
 
@@ -268,13 +271,17 @@ def _should_submit(cls):
             backed_off_time, backoff_time_left = cls._backoff_status()
             if backoff_time_left < 0:
                 log.info(
-                    "Exiting backoff state after {0} seconds, will try to submit metrics again".format(backed_off_time)
+                    "Exiting backoff state after %s seconds, will try to submit metrics again",
+                    backed_off_time,
                 )
                 cls._backoff_timestamp = None
                 cls._timeout_counter = 0
                 should_submit = True
             else:
-                log.info("In backoff state, won't submit metrics for another {0} seconds".format(backoff_time_left))
+                log.info(
+                    "In backoff state, won't submit metrics for another %s seconds",
+                    backoff_time_left,
+                )
                 should_submit = False
         else:
             should_submit = True
diff --git a/datadog/dogstatsd/base.py b/datadog/dogstatsd/base.py
index db92b5fcd..919cfdaaf 100644
--- a/datadog/dogstatsd/base.py
+++ b/datadog/dogstatsd/base.py
@@ -605,13 +605,19 @@ def _xmit_packet(self, packet, is_telemetry):
             # dogstatsd is overflowing, drop the packets (mimicks the UDP behaviour)
             pass
         except (socket.herror, socket.gaierror) as se:
-            log.warning("Error submitting packet: {}, dropping the packet and closing the socket".format(se))
+            log.warning(
+                "Error submitting packet: %s, dropping the packet and closing the socket",
+                se,
+            )
             self.close_socket()
         except socket.error as se:
             if se.errno == errno.EAGAIN:
                 log.debug("Socket send would block: %s, dropping the packet", se)
             else:
-                log.warning("Error submitting packet: {}, dropping the packet and closing the socket".format(se))
+                log.warning(
+                    "Error submitting packet: %s, dropping the packet and closing the socket",
+                    se,
+                )
                 self.close_socket()
         except Exception as e:
             log.error("Unexpected error: %s", str(e))
diff --git a/tests/unit/dogstatsd/test_statsd.py b/tests/unit/dogstatsd/test_statsd.py
index 83ef2a2bf..39ee22c42 100644
--- a/tests/unit/dogstatsd/test_statsd.py
+++ b/tests/unit/dogstatsd/test_statsd.py
@@ -375,7 +375,8 @@ def test_socket_error(self):
             self.statsd.gauge('no error', 1)
             mock_log.error.assert_not_called()
             mock_log.warning.assert_called_once_with(
-                "Error submitting packet: Socket error, dropping the packet and closing the socket"
+                "Error submitting packet: %s, dropping the packet and closing the socket",
+                mock.ANY,
             )
 
     def test_socket_overflown(self):