r0 = socket$nl_netfilter(0x10, 0x3, 0xc)
sendmsg$IPCTNL_MSG_CT_GET_CTRZERO(r0, &(0x7f0000006a00)={&(0x7f0000006900), 0xc, &(0x7f00000069c0)={&(0x7f0000006940)={0x1c, 0x3, 0x1, 0x301, 0x0, 0x0, {0x7}, [@CTA_PROTOINFO={0x8, 0x4, 0x0, 0x1, @CTA_PROTOINFO_DCCP={0x4}}]}, 0x1c}}, 0x0)