diff --git a/cmd/internal/core/phone-home.go b/cmd/internal/core/phone-home.go
index 4f968f06..4d1f8691 100644
--- a/cmd/internal/core/phone-home.go
+++ b/cmd/internal/core/phone-home.go
@@ -10,9 +10,10 @@ import (
 	"sync"
 	"time"
 
+	"google.golang.org/protobuf/types/known/timestamppb"
+
 	"github.com/metal-stack/go-lldpd/pkg/lldp"
 	v1 "github.com/metal-stack/metal-api/pkg/api/v1"
-	"google.golang.org/protobuf/types/known/timestamppb"
 )
 
 const (
@@ -111,7 +112,7 @@ func (c *Core) send(ctx context.Context, event *v1.EventServiceSendRequest) (*v1
 		return nil, err
 	}
 	if s != nil {
-		c.log.Info("event", "send", s.Events, "failed", s.Failed)
+		c.log.Info("event", "send", s.GetEvents(), "failed", s.GetFailed())
 	}
 	return s, err
 }
@@ -137,7 +138,7 @@ func (c *Core) phoneHome(ctx context.Context, msgs []phoneHomeMessage) {
 		c.metrics.CountError("send-provisioning")
 	}
 	if s != nil {
-		c.log.Info("phonehome sent", "machines", s.Events)
+		c.log.Info("phonehome sent", "machines", s.GetEvents())
 	}
 }
 
diff --git a/cmd/internal/switcher/templates/template_test.go b/cmd/internal/switcher/templates/template_test.go
index 887092e7..7a43c3d6 100644
--- a/cmd/internal/switcher/templates/template_test.go
+++ b/cmd/internal/switcher/templates/template_test.go
@@ -89,10 +89,10 @@ func renderToString(t *testing.T, tpl *template.Template, c *types.Conf) string
 func readConf(t *testing.T, i string) types.Conf {
 	c := types.Conf{}
 	b, err := os.ReadFile(i)
-	require.Nil(t, err, "unexpected error when reading testing input")
+	require.NoError(t, err, "unexpected error when reading testing input")
 
 	err = yaml.Unmarshal(b, &c)
-	require.Nil(t, err, "unexpected error when unmarshalling testing input")
+	require.NoError(t, err, "unexpected error when unmarshalling testing input")
 	return c
 }
 
diff --git a/cmd/internal/switcher/types/conf_test.go b/cmd/internal/switcher/types/conf_test.go
index fd8c4932..495ca3c1 100644
--- a/cmd/internal/switcher/types/conf_test.go
+++ b/cmd/internal/switcher/types/conf_test.go
@@ -20,7 +20,7 @@ func TestFillVLANIDs(t *testing.T) {
 		},
 	}
 	err := c.FillVLANIDs(m)
-	require.Nil(t, err)
+	require.NoError(t, err)
 	require.Equal(t, uint16(1001), c.Ports.Vrfs["101001"].VLANID)
 	require.Equal(t, uint16(1002), c.Ports.Vrfs["101002"].VLANID)
 	require.Equal(t, uint16(1003), c.Ports.Vrfs["101003"].VLANID)