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This class holds the parsed state of a BSD network interface.
It is itself side-effect free.
All methods with side-effects should be implemented on one of the
``BSDNetworking`` classes.
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A parser for BSD style ``ifconfig(8)`` output.
For documentation here:
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- https://man.netbsd.org/ifconfig.8
- https://man.openbsd.org/ifconfig.8
All output is considered equally, and then massaged into a singular form:
an ``Ifstate`` object.
c C s i | _ i | _d S )N) _ifs_by_name _ifs_by_mac)r r r r! r" U s zIfconfig.__init__)textr# c C s d}t t}x|j D ]}t|dkr,q|d d$krz|d7 }|j d }|jdrb|dd% }t|}||_|| j|< |j j
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