def detach(self, netif: CoreInterface) -> None:
"""
Detach network interface.
:param netif: network interface to detach
:return: nothing
"""
del self._netif[netif.netifi]
netif.netifi = None
with self._linked_lock:
del self._linked[netif]
def attach(self, netif: CoreInterface) -> None:
"""
Attach network interface.
:param netif: network interface to attach
:return: nothing
"""
i = self.newifindex()
self._netif[i] = netif
netif.netifi = i
with self._linked_lock:
self._linked[netif] = {}