panic: pr_find_pagehead: mbufpl: page header missing
Stopped at      db_enter+0xa:   popq    %rbp
    TID    PID    UID     PRFLAGS     PFLAGS  CPU  COMMAND
db_enter() at db_enter+0xa
panic() at panic+0x147
pool_do_put(ffffff0006000100,ffffffff81ebc880) at pool_do_put+0x339
pool_put(0,ffffff0006000100) at pool_put+0x37
m_free(ffffff0006000100) at m_free+0x12c
mq_purge(ffff800002acd100) at mq_purge+0x6d
switchclose(ffff8000210b2e30,ffff800021166348,ffffffff815dc997,ffff8000211662f0) at switchclose+0x77
spec_close(ffffffff81e290f0) at spec_close+0x271
VOP_CLOSE(ffffff006e040170,ffff8000210b2e30,ffffff007f7c7c00,3) at VOP_CLOSE+0x5f
vn_closefile(ffff8000210b2e30,ffffff0068edee98) at vn_closefile+0xfc
fdrop(ffffff0068edee98,ffff8000210b2e30) at fdrop+0xa4
closef(ffff8000210b2e30,ffffff006e9cb850) at closef+0xd5
fdfree(ffff800021060620) at fdfree+0x98
exit1(ffff800021166610,ffff8000210b2e30,ffff800021060620) at exit1+0x22f
end trace frame: 0xffff800021166530, count: 0
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