INFO: task kworker/R-ipv6_:3168 blocked for more than 144 seconds.
      Not tainted 6.15.0-syzkaller-13743-g8630c59e9936 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/R-ipv6_ state:D stack:28968 pid:3168  tgid:3168  ppid:2      task_flags:0x4208060 flags:0x00004000
Workqueue: ipv6_addrconf addrconf_dad_work
Call Trace: