socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, <r0=>0xffffffffffffffff})
setsockopt$SO_TIMESTAMPING(r0, 0x1, 0x2c, &(0x7f0000000040)=0x7602, 0x4)
setsockopt$SO_TIMESTAMPING(r0, 0x1, 0x1b, &(0x7f00000011c0), 0x4)