panic: rtrequest1_fib: locked
cpuid = 1
time = 1554799115
KDB: stack backtrace:
db_trace_self_wrapper() at db_trace_self_wrapper+0x47/frame 0xfffffe001faf7270
vpanic() at vpanic+0x1e0/frame 0xfffffe001faf72d0
panic() at panic+0x43/frame 0xfffffe001faf7330
rtrequest1_fib() at rtrequest1_fib+0x151d/frame 0xfffffe001faf7450
route_output() at route_output+0x122d/frame 0xfffffe001faf76d0
sosend_generic() at sosend_generic+0x73d/frame 0xfffffe001faf77a0
sosend() at sosend+0xc6/frame 0xfffffe001faf7810
kern_sendit() at kern_sendit+0x35e/frame 0xfffffe001faf78c0
sendit() at sendit+0x226/frame 0xfffffe001faf7920
sys_sendto() at sys_sendto+0x5c/frame 0xfffffe001faf7980
amd64_syscall() at amd64_syscall+0x436/frame 0xfffffe001faf7ab0
fast_syscall_common() at fast_syscall_common+0x101/frame 0xfffffe001faf7ab0
--- syscall (198, FreeBSD ELF64, nosys), rip = 0x412f1a, rsp = 0x7fffdfffdf38, rbp = 0x6 ---
KDB: enter: panic
[ thread pid 3376 tid 101063 ]
Stopped at      kdb_enter+0x6a: movq    $0,kdb_why