r0 = socket$inet(0x2, 0x3, 0x7)
r1 = dup(r0)
sendmsg$SMC_PNETID_GET(r1, &(0x7f00000004c0)={&(0x7f00000003c0), 0xc, &(0x7f0000000480)={0x0}}, 0x8001)