r0 = eventfd2(0x0, 0x0)
writev(r0, &(0x7f0000000900)=[{&(0x7f0000000000)="021c515d5d8615fb", 0x8}], 0x1)
writev(r0, &(0x7f0000000180)=[{&(0x7f0000000200)="06faf97a44a78b28", 0x8}], 0x1)