cat-26829 [000] ...2 19509.860874: <stack trace>
 => dev_open
 => chrdev_open
 => do_dentry_open
 => path_openat
 => do_filp_open
 => do_sys_open
 => do_syscall_64
 => entry_SYSCALL_64_after_hwframe
 0)   1.297 us    |  dev_open [main]();