证书获取失败，返回如下错误信息

证书获取失败，返回如下错误信息：

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Bootstrapping dependencies for RedHat-based OSes... (you can skip this with --no-bootstrap)
yum is /usr/bin/yum
Loaded plugins: fastestmirror
Loading mirror speeds from cached hostfile
Package gcc-4.8.5-11.el7.x86_64 already installed and latest version
Package augeas-libs-1.4.0-2.el7.x86_64 already installed and latest version
Package 1penssl-1.0.1e-60.el7_3.1.x86_64 already installed and latest version
Package 1penssl-devel-1.0.1e-60.el7_3.1.x86_64 already installed and latest version
Package libffi-devel-3.0.13-18.el7.x86_64 already installed and latest version
Package redhat-rpm-config-9.1.0-72.el7.centos.noarch already installed and latest version
Package python-2.7.5-48.el7.x86_64 already installed and latest version
Package python-devel-2.7.5-48.el7.x86_64 already installed and latest version
Package python-virtualenv-1.10.1-3.el7.noarch already installed and latest version
Package python-tools-2.7.5-48.el7.x86_64 already installed and latest version
Package python2-pip-8.1.2-5.el7.noarch already installed and latest version
Resolving Dependencies
--> Running transaction check
---> Package ca-certificates.noarch 0:2017.2.11-70.1.el7_3 will be updated
---> Package ca-certificates.noarch 0:2017.2.14-70.1.el7_3 will be an update
---> Package mod_ssl.x86_64 1:2.4.6-45.el7.centos.4 will be installed
--> Processing Dependency: httpd-mmn = 20120211x8664 for package: 1:mod_ssl-2.4.6-45.el7.centos.4.x86_64
--> Processing Dependency: httpd = 2.4.6-45.el7.centos.4 for package: 1:mod_ssl-2.4.6-45.el7.centos.4.x86_64
--> Finished Dependency Resolution
You could try using --skip-broken to work around the problem
** Found 31 pre-existing rpmdb problem(s), 'yum check' output follows:
curl-7.50.3-1.el7.centos.x86_64 is a duplicate with curl-7.29.0-35.el7.centos.x86_64
libiconv-1.14-1.el7.centos.x86_64 has missing requires of libcharset.so.1()(64bit)
libiconv-1.14-1.el7.centos.x86_64 has missing requires of libiconv.so.2()(64bit)
1:mariadb-devel-5.5.52-1.el7.x86_64 has missing requires of mariadb-libs(x86-64) = ('1', '5.5.52', '1.el7')
mysql-5.6.35-1.el7.centos.x86_64 has missing requires of perl(DBI)
mysql-5.6.35-1.el7.centos.x86_64 has missing requires of perl(GD)
mysql-5.6.35-1.el7.centos.x86_64 has missing requires of perl(JSON)
mysql-5.6.35-1.el7.centos.x86_64 has missing requires of perl(lib::mtr_gcov.pl)
mysql-5.6.35-1.el7.centos.x86_64 has missing requires of perl(lib::mtr_gprof.pl)
mysql-5.6.35-1.el7.centos.x86_64 has missing requires of perl(lib::mtr_io.pl)
mysql-5.6.35-1.el7.centos.x86_64 has missing requires of perl(lib::mtr_misc.pl)
mysql-5.6.35-1.el7.centos.x86_64 has missing requires of perl(lib::mtr_process.pl)
mysql-5.6.35-1.el7.centos.x86_64 has missing requires of perl(lib::v1/mtr_cases.pl)
mysql-5.6.35-1.el7.centos.x86_64 has missing requires of perl(lib::v1/mtr_gcov.pl)
mysql-5.6.35-1.el7.centos.x86_64 has missing requires of perl(lib::v1/mtr_gprof.pl)
mysql-5.6.35-1.el7.centos.x86_64 has missing requires of perl(lib::v1/mtr_im.pl)
mysql-5.6.35-1.el7.centos.x86_64 has missing requires of perl(lib::v1/mtr_io.pl)
mysql-5.6.35-1.el7.centos.x86_64 has missing requires of perl(lib::v1/mtr_match.pl)
mysql-5.6.35-1.el7.centos.x86_64 has missing requires of perl(lib::v1/mtr_misc.pl)
mysql-5.6.35-1.el7.centos.x86_64 has missing requires of perl(lib::v1/mtr_process.pl)
mysql-5.6.35-1.el7.centos.x86_64 has missing requires of perl(lib::v1/mtr_report.pl)
mysql-5.6.35-1.el7.centos.x86_64 has missing requires of perl(lib::v1/mtr_stress.pl)
mysql-5.6.35-1.el7.centos.x86_64 has missing requires of perl(lib::v1/mtr_timer.pl)
mysql-5.6.35-1.el7.centos.x86_64 has missing requires of perl(lib::v1/mtr_unique.pl)
mysql-5.6.35-1.el7.centos.x86_64 has missing requires of perl(mtr_io.pl)
mysql-5.6.35-1.el7.centos.x86_64 has missing requires of perl(mtr_misc.pl)
mysql-5.6.35-1.el7.centos.x86_64 has missing requires of perl(mtr_process.pl)
php-5.6.30-1.el7.centos.x86_64 is a duplicate with php-5.3.29-1.el7.centos.x86_64
php-5.6.30-1.el7.centos.x86_64 has missing requires of xmlrpc
php-7.0.16-1.el7.centos.x86_64 is a duplicate with php-5.6.30-1.el7.centos.x86_64
php-7.0.16-1.el7.centos.x86_64 has missing requires of xmlrpc
Could not install OS dependencies. Aborting bootstrap!

Repository base is listed more than once in the configuration
Repository updates is listed more than once in the configuration
Repository extras is listed more than once in the configuration
Repository epel is listed more than once in the configuration
Error: Package: 1:mod_ssl-2.4.6-45.el7.centos.4.x86_64 (updates)
Requires: httpd-mmn = 20120211x8664
Available: httpd-2.4.6-45.el7.centos.x86_64 (base)
httpd-mmn = 20120211x8664
httpd-mmn = 20120211-x86-64
httpd-mmn = 20120211
Available: httpd-2.4.6-45.el7.centos.4.x86_64 (updates)
httpd-mmn = 20120211x8664
httpd-mmn = 20120211-x86-64
httpd-mmn = 20120211
Installed: httpd-2.4.25-1.el7.centos.x86_64 (installed)
Not found
Error: Package: 1:mod_ssl-2.4.6-45.el7.centos.4.x86_64 (updates)
Requires: httpd = 2.4.6-45.el7.centos.4
Installed: httpd-2.4.25-1.el7.centos.x86_64 (installed)
httpd = 2.4.25-1.el7.centos
Available: httpd-2.4.6-45.el7.centos.x86_64 (base)
httpd = 2.4.6-45.el7.centos
Available: httpd-2.4.6-45.el7.centos.4.x86_64 (updates)
httpd = 2.4.6-45.el7.centos.4