r0 = socket$inet6_udp(0xa, 0x2, 0x0)
r1 = openat(0xffffffffffffff9c, 0x0, 0x42, 0x0)
close(r1)
setsockopt$SO_TIMESTAMPING(r0, 0x1, 0x49, &(0x7f0000000080)=0x68bbd9b0592ebacf, 0x4)