r0 = socket$nl_xfrm(0x10, 0x3, 0x6) setsockopt$SO_ATTACH_FILTER(r0, 0x1, 0x1a, &(0x7f0000000080)={0x1, &(0x7f0000000040)=[{0x6}]}, 0x10) getsockopt$sock_buf(r0, 0x1, 0x1a, &(0x7f00000000c0)=""/244, &(0x7f00000001c0)=0xf4)