semtimedop(0xffffffffffffffff, &(0x7f0000000000)=[{}, {}, {}, {0x0, 0x80}], 0x4, 0x0)
r0 = socket$inet6_udp(0xa, 0x2, 0x0)
getsockopt$inet6_buf(r0, 0x29, 0x20, &(0x7f0000000000)=""/85, &(0x7f0000000080)=0x55)