panic: pool_do_get: rttmr free list modified: page 0xfffffd8065d3b000; item addr 0xfffffd8065d3bee0; offset 0x20=0x83850770
Starting stack trace...
panic(ffffffff8332b0a2) at panic+0x1ba sys/kern/subr_prf.c:229
pool_do_get(ffffffff83854a78,a,ffff80002a925a68) at pool_do_get+0x5bc
pool_get(ffffffff83854a78,a) at pool_get+0x11a sys/kern/subr_pool.c:-1
rt_timer_add(fffffd8071da7c40,ffffffff8392d478,0) at rt_timer_add+0x4e sys/net/route.c:-1
mf6c_add_route(ffff800000b12800,7a3,ffff80002a925ba8,ffff80002a925c78,1) at mf6c_add_route+0xad sys/netinet6/ip6_mroute.c:730
mf6c_update(ffff80002a925c78,1,0) at mf6c_update+0x76e sys/netinet6/ip6_mroute.c:835
add_m6fc(ffff8000014cd850,fffffd80654bfe20) at add_m6fc+0x2e4 mf6c_add sys/netinet6/ip6_mroute.c:862 [inline]
add_m6fc(ffff8000014cd850,fffffd80654bfe20) at add_m6fc+0x2e4 sys/netinet6/ip6_mroute.c:875
sosetopt(ffff8000014cd850,29,68,fffffd80654bfe00) at sosetopt+0x118 sys/kern/uipc_socket.c:-1
sys_setsockopt(ffff80002f140d28,ffff80002a925ec0,ffff80002a925e10) at sys_setsockopt+0x2b9 sys/kern/uipc_syscalls.c:1221
syscall(ffff80002a925ec0) at syscall+0x962 mi_syscall sys/sys/syscall_mi.h:-1 [inline]
syscall(ffff80002a925ec0) at syscall+0x962 sys/arch/amd64/amd64/trap.c:748
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x6c72012d9e0, count: 246
End of stack trace.