K 10 svn:author V 7 glebius K 8 svn:date V 27 2013-11-05T07:36:17.246813Z K 7 svn:log V 354 In complemence to ifa_add_loopback_route() and ifa_del_loopback_route() provide function ifa_switch_loopback_route() that will be used in case when an interface address used for a loopback route goes away, but we have another interface address with same address value and want to preserve loopback route. Sponsored by: Netflix Sponsored by: Nginx, Inc. END