panic: ip6_deletefraghdr: ext headers not contigous in mbuf 0xfffffe006de60b00 m_len 40 >= offset 48 + 8

cpuid = 0
time = 28
KDB: stack backtrace:
db_trace_self_wrapper() at db_trace_self_wrapper+0xc6/frame 0xfffffe0057351ed0
kdb_backtrace() at kdb_backtrace+0xd0/frame 0xfffffe0057352030
vpanic() at vpanic+0x257/frame 0xfffffe00573521f0
panic() at panic+0xb5/frame 0xfffffe00573522b0
frag6_input() at frag6_input/frame 0xfffffe00573522f0
pf_normalize_ip6() at pf_normalize_ip6+0xd8b/frame 0xfffffe0057352450