r0 = openat2$dir(0xffffffffffffff9c, &(0x7f0000000040)='./file0\x00', &(0x7f00000000c0)={0x109840}, 0x18)
r1 = socket$inet_tcp(0x2, 0x1, 0x0)
setsockopt$inet_group_source_req(r1, 0x0, 0x4, 0x0, 0x0)
dup2(r0, r1)