socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000100)={<r0=>0xffffffffffffffff, <r1=>0xffffffffffffffff})
recvmmsg$unix(r1, &(0x7f0000002940)=[{{0x0, 0x0, 0x0}}], 0x1, 0x0, 0x0)
writev(r0, &(0x7f00000002c0)=[{&(0x7f0000000000)="f3", 0x1}], 0x1)