diff --git a/teuthology/orchestra/remote.py b/teuthology/orchestra/remote.py
index 11456e0a3..0392acf87 100644
--- a/teuthology/orchestra/remote.py
+++ b/teuthology/orchestra/remote.py
@@ -490,7 +490,7 @@ def ensure_online(self):
             return
         self.connect()
         if not self.is_online:
-            raise Exception('unable to connect')
+            raise ConnectionError(f'Failed to connect to {self.shortname}')
 
     @property
     def system_type(self):
@@ -518,7 +518,7 @@ def run(self, **kwargs):
            not self.ssh.get_transport() or \
            not self.ssh.get_transport().is_active():
             if not self.reconnect():
-                raise Exception(f'Cannot connect to remote host {self.shortname}')
+                raise ConnectionError(f'Failed to reconnect to {self.shortname}')
         r = self._runner(client=self.ssh, name=self.shortname, **kwargs)
         r.remote = self
         return r
diff --git a/teuthology/provision/fog.py b/teuthology/provision/fog.py
index 8f32969b6..6194fc8e8 100644
--- a/teuthology/provision/fog.py
+++ b/teuthology/provision/fog.py
@@ -299,7 +299,7 @@ def _wait_for_ready(self):
                         self.remote.run(args=cmd, timeout=600)
                         break
                     except (
-                        ConnectionResetError,
+                        ConnectionError,
                         EOFError,
                     ) as e:
                         log.error(f"{e} on {self.shortname}")