新装的Gentoo AMD64，使用emerge www-servers/apache命令安装apache，apache能够正常启动，但在error_log中出现如下提示是否正常？

apache2 -v

    Server version: Apache/2.4.18 (Unix)
    Server built:   May  3 2016 11:15:08

cat /var/log/apache2/error_log

    [Tue May 03 11:25:30.003103 2016] [mpm_prefork:notice] [pid 2358] AH00163: Apache/2.4.18 (Unix) OpenSSL/1.0.2g configured -- resuming normal operations
    [Tue May 03 11:25:30.003269 2016] [core:notice] [pid 2358] AH00094: Command line: '/usr/sbin/apache2 -D DEFAULT_VHOST -D INFO -D SSL -D SSL_DEFAULT_VHOST -D LANGUAGE -d /usr/lib64/apache2 -f /etc/apache2/httpd.conf'

cat /etc/portage/make.conf

# These settings were set by the catalyst build script that automatically
# built this stage.
# Please consult /usr/share/portage/config/make.conf.example for a more
# detailed example.
CFLAGS="-O2 -pipe"
CXXFLAGS="${CFLAGS}"
# WARNING: Changing your CHOST is not something that should be done lightly.
# Please consult http://www.gentoo.org/doc/en/change-chost.xml before changing.
CHOST="x86_64-pc-linux-gnu"
# These are the USE flags that were used in addition to what is provided by the
# profile used for building.
USE="bindist mmx sse sse2 apache2"
PORTDIR="/usr/portage"
DISTDIR="${PORTDIR}/distfiles"
PKGDIR="${PORTDIR}/packages"
GENTOO_MIRRORS="http://mirrors.sohu.com/gentoo/"
SYNC="rsync://rsync.cn.gentoo.org/gentoo-portage"

请各位高手指点一二，谢谢！