if_delmpanic: uma: Freed item 0xfffff80045732000 did not belong to zone mbuf_cluster
cpuid = 1
time = 1570169980
KDB: stack backtrace:
db_trace_self_wrapper() at db_trace_self_wrapper+0x47/frame 0xfffffe0022b766b0
vpanic() at vpanic+0x1e0/frame 0xfffffe0022b76710
panic() at panic+0x43/frame 0xfffffe0022b76770
uma_dbg_free() at uma_dbg_free+0x26b/frame 0xfffffe0022b767c0
uma_zfree_arg() at uma_zfree_arg+0x1a2/frame 0xfffffe0022b76850
mb_free_ext() at mb_free_ext+0x24f/frame 0xfffffe0022b76890
freebsd32_sendmsg() at freebsd32_sendmsg+0x6b4/frame 0xfffffe0022b76970
ia32_syscall() at ia32_syscall+0x46a/frame 0xfffffe0022b76ab0
int0x80_syscall_common() at int0x80_syscall_common+0x9c/frame 0x8142fca
KDB: enter: panic
[ thread pid 1576 tid 100678 ]
Stopped at kdb_enter+0x6a: movq $0,kdb_why