SYZFAIL: failed to send rpc
fd=3 want=584 sent=0 n=-1 (errno 32: Broken pipe)
ktrace write failed, errno 27, tracing stopped for pid 758
ktrace write failed, errno 27, tracing stopped for pid 760
ktrace write failed, errno 27, tracing stopped for pid 681
tap4: Ethernet address: 58:9c:fc:10:d3:96
tap4: link state changed to UP
ifaddr cache = 0xfffffe006dee6180 is deleted
if_delmulti_locked: detaching ifnet instance 0xfffffe006e4f5000
if_delmulti_locked: detaching ifnet instance 0xfffffe006e4f5000
if_delmulti_locked: detaching ifnet instance 0xfffffe006e4f5000
if_delmulti_locked: detaching ifnet instance 0xfffffe006e4f5000
Expensive callout(9) function: 0xffffffff81abac00(0) 0.011562307 s
tap4: link state changed to DOWN
if_delmulti_locked: detaching ifnet instance 0xfffffe006e4f5000
if_delmulti_locked: detaching ifnet instance 0xfffffe006e4f5000