r0 = socket$nl_netfilter(0x10, 0x3, 0xc)
sendmsg$IPCTNL_MSG_CT_DELETE(r0, &(0x7f00000004c0)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f0000000000)={0x1c, 0x2, 0x1, 0x401, 0x0, 0x0, {0x5, 0x2}, [@CTA_MARK_MASK={0x8}]}, 0x1c}}, 0x0)