[    2.248232] ip (216) used greatest stack depth: 12288 bytes left
[   49.987813] ip (4074) used greatest stack depth: 12128 bytes left
[  122.032407] ip (5184) used greatest stack depth: 12072 bytes left
[  554.666043] pm_nl_ctl (25163) used greatest stack depth: 11936 bytes left