SYZFAIL: failed to send rpc
fd=3 want=87816 sent=0 n=-1 (errno 32: Broken pipe)


FreeBSD/amd64 (ci-freebsd-main-8.c.syzkaller.internal) (ttyu0)

login: if_delmulti_locked: detaching ifnet instance 0xfffffe0077c75000
if_delmulti_locked: detaching ifnet instance 0xfffffe0077c75000
if_delmulti_locked: detaching ifnet instance 0xfffffe0077c73000
if_delmulti_locked: detaching ifnet instance 0xfffffe0077c75000
if_delmulti_locked: detaching ifnet instance 0xfffffe0077c73000
if_delmulti_locked: detaching ifnet instance 0xfffffe0077c73000
if_delmulti_locked: detaching ifnet instance 0xfffffe0077c75000
if_delmulti_locked: detaching ifnet instance 0xfffffe0077c75000
if_delmulti_locked: detaching ifnet instance 0xfffffe0077c75000
if_delmulti_locked: detaching ifnet instance 0xfffffe0077c73000
if_delmulti_locked: detaching ifnet instance 0xfffffe0077c73000
if_delmulti_locked: detaching ifnet instance 0xfffffe0077c73000