Keepalived 1.4.4 已发布，Keepalived 是一款用 C 编写的路由软件。该项目的主要目标是为 Linux 系统和基于 Linux 的基础设备提供简单而强大的负载均衡和高可用性。 更新内容：
doc: ipvs schedulers update Fix a couple of typos in configure.ac. Fix namespace collision with musl if_ether.h.
Check if return value from read_value_block() is null before using.
Fix reporting real server stats via SNMP.
Make
checker process handle RTM_NEWLINK messages with -a option Even though
the checker process doesn't subscribe to RTNLGRP_LINK messages, it
appears that older kernels (certainly 2.6.32) can send RTM_NEWLINK (but
not RTM_DELLINK) messages. This occurs when the link is set to up state.
Only the VRRP process is interested in link messages, and so the
checker process doesn't do the necessary initialisation to be able to
handle RTM_NEWLINK messages.This commit makes the checker process simply
discard RTM_NEWLINK and RTM_DELLINK messages, rather than assuming that
if it receives an RTM_NEWLINK message it must be the VRRP process.This
problem was reported in issue #848 since the checker process was
segfaulting when a new interface was added when the -a command line
option was specified.
Fix handling RTM_NEWLINK when building without VRRP code.
Fix
building on Fedora 28.net-snmp-config output can include compiler and
linker flags that refer to spec files that were used to build net-snmp
but may not exist on the system building keepalived. That would cause
the build done by configure to test for net-snmp support to fail; in
particular on a Fedora 28 system that doesn't have the redhat-rpm-config
package installed.This commit checks that any spec files in the
compiler and linker flags returned by net-snmp-config exist on the
system building keepalived, and if not it removes the reference(s) to
the spec file(s).
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