r0 = socket$packet(0x11, 0x2, 0x300)
setsockopt$SO_TIMESTAMP(r0, 0x1, 0x40, &(0x7f0000000000)=0x100, 0x4)
getsockopt$SO_TIMESTAMP(r0, 0x1, 0x3f, 0x0, &(0x7f0000000340))