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[ Upstream commit 02f510f326501470348a5df341e8232c3497bbbb ] Any modification to the takeover IP-ranges requires that we re-evaluate which IP addresses are takeover-eligible. Otherwise we might do takeover for some addresses when we no longer should, or vice-versa. Signed-off-by: Julian Wiedmann <jwi@linux.vnet.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>