diff -urN VirtualBox-6.0.6/src/VBox/HostDrivers/Support/linux/SUPDrv-linux.c VirtualBox-6.0.6.new/src/VBox/HostDrivers/Support/linux/SUPDrv-linux.c
--- VirtualBox-6.0.6/src/VBox/HostDrivers/Support/linux/SUPDrv-linux.c	2019-04-16 12:16:37.000000000 +0200
+++ VirtualBox-6.0.6.new/src/VBox/HostDrivers/Support/linux/SUPDrv-linux.c	2019-05-04 15:59:44.439905223 +0200
@@ -426,10 +426,8 @@
     int                 rc;
     PSUPDRVSESSION      pSession;
     Log(("VBoxDrvLinuxCreate: pFilp=%p pid=%d/%d %s\n", pFilp, RTProcSelf(), current->pid, current->comm));
-    printk("test1\n");
 
 #ifdef VBOX_WITH_HARDENING
-    printk("test2\n");
     /*
      * Only root is allowed to access the unrestricted device, enforce it!
      */