panic: pool_do_get: rttmr free list modified: page 0xfffffd8059ab0000; item addr 0xfffffd8059ab0ee8; offset 0x20=0x838b1840
Starting stack trace...
panic(ffffffff8336ad34) at panic+0x1d0 sys/kern/subr_prf.c:229
pool_do_get(ffffffff83979e58,a,ffff80003c48b0d8) at pool_do_get+0x5df
pool_get(ffffffff83979e58,a) at pool_get+0x162 sys/kern/subr_pool.c:-1
rt_timer_add(fffffd8069b3ae80,ffffffff838cd048,0) at rt_timer_add+0x4e sys/net/route.c:-1
mf6c_add_route(ffff800000b2d000,744,ffff80003c48b218,ffff80003c48b2e8,1) at mf6c_add_route+0xad sys/netinet6/ip6_mroute.c:728
mf6c_update(ffff80003c48b2e8,1,0) at mf6c_update+0x77e sys/netinet6/ip6_mroute.c:833
add_m6fc(ffff8000014ae668,fffffd805b445120) at add_m6fc+0x2e4 mf6c_add sys/netinet6/ip6_mroute.c:860 [inline]
add_m6fc(ffff8000014ae668,fffffd805b445120) at add_m6fc+0x2e4 sys/netinet6/ip6_mroute.c:873
sosetopt(ffff8000014ae668,29,68,fffffd805b445100) at sosetopt+0x118 sys/kern/uipc_socket.c:-1
sys_setsockopt(ffff80003ac27250,ffff80003c48b540,ffff80003c48b490) at sys_setsockopt+0x2ba sys/kern/uipc_syscalls.c:1227
syscall(ffff80003c48b540) at syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline]
syscall(ffff80003c48b540) at syscall+0xbd4 sys/arch/amd64/amd64/trap.c:746
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0xb60ae6f6c90, count: 246
End of stack trace.