Actually I don't see this libipt_ISPCP_INPUT.so
Maybe some files are missing?
Code:
lib/iptables# ls
libip6t_ah.so libipt_CLASSIFY.so libipt_physdev.so
libip6t_connmark.so libipt_CLUSTERIP.so libipt_pkttype.so
libip6t_CONNMARK.so libipt_comment.so libipt_policy.so
libip6t_CONNSECMARK.so libipt_connbytes.so libipt_quota.so
libip6t_dst.so libipt_connlimit.so libipt_realm.so
libip6t_esp.so libipt_connmark.so libipt_recent.so
libip6t_eui64.so libipt_CONNMARK.so libipt_REDIRECT.so
libip6t_frag.so libipt_CONNSECMARK.so libipt_REJECT.so
libip6t_hbh.so libipt_conntrack.so libipt_ROUTE.so
libip6t_hl.so libipt_dccp.so libipt_rpc.so
libip6t_HL.so libipt_DNAT.so libipt_SAME.so
libip6t_icmp6.so libipt_dscp.so libipt_sctp.so
libip6t_ipv6header.so libipt_DSCP.so libipt_SECMARK.so
libip6t_length.so libipt_ecn.so libipt_set.so
libip6t_limit.so libipt_ECN.so libipt_SET.so
libip6t_LOG.so libipt_esp.so libipt_SNAT.so
libip6t_mac.so libipt_hashlimit.so libipt_standard.so
libip6t_mark.so libipt_helper.so libipt_state.so
libip6t_MARK.so libipt_icmp.so libipt_statistic.so
libip6t_multiport.so libipt_iprange.so libipt_string.so
libip6t_NFQUEUE.so libipt_ipv4options.so libipt_TARPIT.so
libip6t_owner.so libipt_IPV4OPTSSTRIP.so libipt_tcpmss.so
libip6t_physdev.so libipt_length.so libipt_TCPMSS.so
libip6t_policy.so libipt_limit.so libipt_tcp.so
libip6t_REJECT.so libipt_LOG.so libipt_tos.so
libip6t_ROUTE.so libipt_mac.so libipt_TOS.so
libip6t_rt.so libipt_mark.so libipt_TRACE.so
libip6t_SECMARK.so libipt_MARK.so libipt_ttl.so
libip6t_standard.so libipt_MASQUERADE.so libipt_TTL.so
libip6t_state.so libipt_MIRROR.so libipt_u32.so
libip6t_tcp.so libipt_multiport.so libipt_udp.so
libip6t_TRACE.so libipt_NETMAP.so libipt_ULOG.so
libip6t_udp.so libipt_NFQUEUE.so libipt_unclean.so
libipt_addrtype.so libipt_NOTRACK.so
libipt_ah.so libipt_owner.so