fix: silence python-agent-driver kernel boot logs

Signed-off-by: danbugs <danilochiarlone@gmail.com>

Author: danbugs

examples/python-agent-driver/kraft.yaml

@@ -11,9 +11,9 @@ unikraft:
     CONFIG_LIBUKINTCTLR_HYPERLIGHT: 'y'
     CONFIG_HYPERLIGHT_MAX_GUEST_LOG_LEVEL: 4
 
-    CONFIG_LIBUKPRINT_KLVL_INFO: 'y'
+    CONFIG_LIBUKPRINT_KLVL_CRIT: 'y'
     CONFIG_LIBUKPRINT_PRINT_TIME: 'n'
-    CONFIG_LIBUKPRINT_PRINT_SRCNAME: 'y'
+    CONFIG_LIBUKPRINT_PRINT_SRCNAME: 'n'
     CONFIG_LIBUKBOOT_BANNER_NONE: 'y'
     CONFIG_OPTIMIZE_SIZE: 'y'
     CONFIG_OPTIMIZE_PIE: 'y'