socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000340)={<r0=>0xffffffffffffffff})
seccomp$SECCOMP_SET_MODE_FILTER_LISTENER(0x1, 0x0, &(0x7f0000000040)={0x1, &(0x7f0000000000)=[{0x6, 0x0, 0x0, 0x7fffffff}]})
getsockopt$sock_int(r0, 0x1, 0x2a, 0x0, &(0x7f0000000440))