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R/ R0 R1 t errorR2 R3 R4 ( ( s; /usr/lib/python2.7/site-packages/firewall/core/fw_direct.pyR! s@ " " " c C s> d d d g } | | k r: t t j d | | f � � n d S( Nt ipv4t ipv6t ebs '%s' not in '%s'( R R t INVALID_IPV( R R/ t ipvs( ( s; /usr/lib/python2.7/site-packages/firewall/core/fw_direct.pyt _check_ipv� s c C sf | j | � | d k r( t j j � n t j j � } | | k rb t t j d | | f � � n d S( NR> R? s '%s' not in '%s'( s ipv4s ipv6( RC R t BUILT_IN_CHAINSt keysR R R t INVALID_TABLE( R R/ R0 t tables( ( s; /usr/lib/python2.7/site-packages/firewall/core/fw_direct.pyt _check_ipv_table� s c C s� | d k rJ t j | } | j j r. i } qd | j j | � j | } n t j | } t j | } | | k r� t t j d | � � n | | k r� t t j d | � � n | d k r� | j j j | � d k r� t t j d | � � q� n d S( NR> R? s chain '%s' is built-in chains chain '%s' is reserveds Chain '%s' is reserved( s ipv4s ipv6( s ipv4s ipv6( R RD R t nftables_enabledt get_direct_backend_by_ipvt our_chainsR t OUR_CHAINSR R t BUILTIN_CHAINt zonet zone_from_chainR t INVALID_CHAIN( R R/ R0 R1 t built_in_chainsRK ( ( s; /usr/lib/python2.7/site-packages/firewall/core/fw_direct.pyt _check_builtin_chain� s" c C sc | r% | j j | g � j | � n: | j | j | � t | j | � d k r_ | j | =n d S( Ni ( R R' R( t removeR ( R R. 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