INFO: task kworker/u8:0:12 blocked for more than 143 seconds.
      Not tainted 6.16.0-rc1-syzkaller-g19272b37aa4f #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/u8:0    state:D stack:19720 pid:12    tgid:12    ppid:2      task_flags:0x4208060 flags:0x00004000
Workqueue: ipv6_addrconf addrconf_dad_work