openat(0xffffffffffffff9c, &(0x7f0000000040)='./file0\x00', 0xac540, 0x0) pipe(&(0x7f0000000580)={0xffffffffffffffff, 0xffffffffffffffff}) mount$9p_fd(0x0, &(0x7f0000000040)='./file0\x00', &(0x7f0000000080), 0x0, &(0x7f00000000c0)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}})