last executing test programs:

kernel console output (not intermixed with test programs):

Connection timed out during banner exchange
Connection to 127.0.0.1 port 62467 timed out

VM DIAGNOSIS:
15:20:38  Registers:
info registers vcpu 0

CPU#0
 V      =   0
 pc       ffffffff800061be
 mhartid  0000000000000000
 mstatus  0000000a000000a0
 hstatus  0000000200000000
 vsstatus 0000000a00000000
 mip      0000000000000000
 mie      000000000000022a
 mideleg  0000000000001666
 hideleg  0000000000000000
 medeleg  0000000000f0b509
 hedeleg  0000000000000000
 mtvec    0000000080000428
 stvec    ffffffff83cbacec
 vstvec   0000000000000000
 mepc     ffffffff800061be
 sepc     ffffffff8013c116
 vsepc    0000000000000000
 mcause   8000000000000003
 scause   8000000000000001
 vscause  0000000000000000
 mtval    0000000000000000
 stval    0000000000000000
 htval    0000000000000000
 mtval2   0000000000000000
 mscratch 0000000080029000
 sscratch 0000000000000000
 satp     a0065000000902e7
 x0/zero  0000000000000000 x1/ra    ffffffff800061b6 x2/sp    ffffffff85a03cc0 x3/gp    ffffffff8734aa40
 x4/tp    ffffffff85a41040 x5/t0    ff200000001cba00 x6/t1    ffebffff0dda7803 x7/t2    ffffffff84206590
 x8/s0    ffffffff85a03cd0 x9/s1    ffffffff8014669e x10/a0   0000000000000000 x11/a1   ffffffff8423f020
 x12/a2   0000000000000002 x13/a3   ffffffff800061b6 x14/a4   0000000000000000 x15/a5   ffffffff85a42040
 x16/a6   ffebffff0dda7804 x17/a7   ff6000006ed3c01b x18/s2   0000000000000000 x19/s3   ffffffff892bb780
 x20/s4   0000000000000000 x21/s5   ffffffff87446580 x22/s6   ffffffff85a03da0 x23/s7   1ffffffff0b407a8
 x24/s8   0000000000000000 x25/s9   0000000000000000 x26/s10  ffffffff85a41040 x27/s11  0000000000000000
 x28/t3   ffffffff85a03860 x29/t4   ffebffff0dda7803 x30/t5   ffebffff0dda7804 x31/t6   000000000000042e
 f0/ft0   0000000000000000 f1/ft1   0000000000000000 f2/ft2   0000000000000000 f3/ft3   0000000000000000
 f4/ft4   0000000000000000 f5/ft5   0000000000000000 f6/ft6   0000000000000000 f7/ft7   0000000000000000
 f8/fs0   0000000000000000 f9/fs1   0000000000000000 f10/fa0  404feef9e0000000 f11/fa1  0000000000000000
 f12/fa2  0000000000000000 f13/fa3  0000000000000000 f14/fa4  7fefffffffffffff f15/fa5  404feef9e0000000
 f16/fa6  0000000000000000 f17/fa7  0000000000000000 f18/fs2  0000000000000000 f19/fs3  0000000000000000
 f20/fs4  0000000000000000 f21/fs5  0000000000000000 f22/fs6  0000000000000000 f23/fs7  0000000000000000
 f24/fs8  0000000000000000 f25/fs9  0000000000000000 f26/fs10 0000000000000000 f27/fs11 0000000000000000
 f28/ft8  0000000000000000 f29/ft9  0000000000000000 f30/ft10 0000000000000000 f31/ft11 0000000000000000
info registers vcpu 1

CPU#1
 V      =   0
 pc       ffffffff8061f05c
 mhartid  0000000000000001
 mstatus  0000000a000001a0
 hstatus  0000000200000000
 vsstatus 0000000a00000000
 mip      0000000000000000
 mie      000000000000022a
 mideleg  0000000000001666
 hideleg  0000000000000000
 medeleg  0000000000f0b509
 hedeleg  0000000000000000
 mtvec    0000000080000428
 stvec    ffffffff83cbacec
 vstvec   0000000000000000
 mepc     ffffffff8001845a
 sepc     ffffffff83298a06
 vsepc    0000000000000000
 mcause   0000000000000009
 scause   8000000000000005
 vscause  0000000000000000
 mtval    0000000000000000
 stval    0000000000000000
 htval    0000000000000000
 mtval2   0000000000000000
 mscratch 0000000080027000
 sscratch 0000000000000000
 satp     a0065000000902e7
 x0/zero  0000000000000000 x1/ra    ffffffff801d90e6 x2/sp    ff2000000000b270 x3/gp    ffffffff8734aa40
 x4/tp    ff6000000ae88000 x5/t0    0000000000046600 x6/t1    fffffffef0b7f420 x7/t2    ffffffff84206590
 x8/s0    ff2000000000b270 x9/s1    0000000000000001 x10/a0   0000000200000120 x11/a1   ffffffff8450eae0
 x12/a2   1ffffffff12576f1 x13/a3   ffffffff801d8ff6 x14/a4   0000000000000000 x15/a5   0000000000000000
 x16/a6   0000000000ff0100 x17/a7   ffffffff85bfa103 x18/s2   ffffffff84057708 x19/s3   ffffffff892bb780
 x20/s4   ff6000006ed63d00 x21/s5   00000000000075e4 x22/s6   0000000000000000 x23/s7   ff6000006ed63d28
 x24/s8   ffffffff85bd6140 x25/s9   ffffffff872fbe58 x26/s10  1fe4000000001664 x27/s11  ff2000000000b420
 x28/t3   ff2000000000b100 x29/t4   fffffffef0b7f420 x30/t5   fffffffef0b7f421 x31/t6   ffffffff85bfa520
 f0/ft0   0000000000000000 f1/ft1   0000000000000000 f2/ft2   0000000000000000 f3/ft3   0000000000000000
 f4/ft4   0000000000000000 f5/ft5   0000000000000000 f6/ft6   0000000000000000 f7/ft7   0000000000000000
 f8/fs0   0000000000000000 f9/fs1   0000000000000000 f10/fa0  40501ba5e0000000 f11/fa1  0000000000000000
 f12/fa2  0000000000000000 f13/fa3  0000000000000000 f14/fa4  7fefffffffffffff f15/fa5  40501ba5e0000000
 f16/fa6  0000000000000000 f17/fa7  0000000000000000 f18/fs2  0000000000000000 f19/fs3  0000000000000000
 f20/fs4  0000000000000000 f21/fs5  0000000000000000 f22/fs6  0000000000000000 f23/fs7  0000000000000000
 f24/fs8  0000000000000000 f25/fs9  0000000000000000 f26/fs10 0000000000000000 f27/fs11 0000000000000000
 f28/ft8  0000000000000000 f29/ft9  0000000000000000 f30/ft10 0000000000000000 f31/ft11 0000000000000000