panic: pool_cache_item_magic_check: knotepl cpu free list modified: item addr 0xfffffd806c5ed8f0+16 0x0!=0xc3b5562b45d7cefb Starting stack trace... panic(ffffffff8349a564) at panic+0x1d0 sys/kern/subr_prf.c:229 pool_cache_get(ffffffff839649f8) at pool_cache_get+0x3d4 sys/kern/subr_pool.c:1906 pool_get(ffffffff839649f8,9) at pool_get+0xd6 sys/kern/subr_pool.c:-1 kqueue_register(fffffd806f4d5b60,ffff80003c4935e0,7e,ffff80003c646ac0) at kqueue_register+0x1fb sys/kern/kern_event.c:1415 ppollregister_evts(ffff80003c646ac0,ffff80003c4935e0,1,ffff8000016043f0,7e) at ppollregister_evts+0xca sys/kern/sys_generic.c:1048 ppollregister(ffff80003c646ac0,ffff800001604000,fe,ffff80003c49395c,ffff80003c493958) at ppollregister+0x32f sys/kern/sys_generic.c:1146 doppoll(ffff80003c646ac0,200000000000,fe,ffff80003c4939e8,0,ffff80003c493a70) at doppoll+0x214 sys/kern/sys_generic.c:963 sys_poll(ffff80003c646ac0,ffff80003c493b20,ffff80003c493a70) at sys_poll+0xd8 sys/kern/sys_generic.c:-1 syscall(ffff80003c493b20) at syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c493b20) at syscall+0xbd4 sys/arch/amd64/amd64/trap.c:783 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x84e6ff61c0, count: 247 End of stack trace.