ubunt arm64 apt update 失败

使用qemu chroot运行是可以update的. 刷机之后不能apt-get update提示失败:

apt-get update
Err:1 http://mirrors.aliyun.com/ubuntu-ports xenial InRelease
  Could not resolve 'mirrors.aliyun.com'
Err:2 http://mirrors.aliyun.com/ubuntu-ports xenial-updates InRelease
  Could not resolve 'mirrors.aliyun.com'
Err:3 http://mirrors.aliyun.com/ubuntu-ports xenial-security InRelease
  Could not resolve 'mirrors.aliyun.com'
Reading package lists... Done
W: Failed to fetch http://mirrors.aliyun.com/ubuntu-ports/dists/xenial/InRelease  Could not resolve 'mirrors.aliyun.com'
W: Failed to fetch http://mirrors.aliyun.com/ubuntu-ports/dists/xenial-updates/InRelease  Could not resolve 'mirrors.aliyun.com'
W: Failed to fetch http://mirrors.aliyun.com/ubuntu-ports/dists/xenial-security/InRelease  Could not resolve 'mirrors.aliyun.com'
W: Some index files failed to download. They have been ignored, or old ones used instead.

DNS配置:

root@lqg:/home/lqg# cat /etc/resolv.conf 
nameserver 223.5.5.5
nameserver 223.6.6.6

使用ping mirrors.aliyun.com也是能成功的 nslookup 如下结果:

root@lqg:/home/lqg# nslookup 
> mirrors.aliyun.com
Server:		223.5.5.5
Address:	223.5.5.5#53

Non-authoritative answer:
mirrors.aliyun.com	canonical name = mirrors.aliyun.com.w.alikunlun.com.
Name:	mirrors.aliyun.com.w.alikunlun.com
Address: 113.96.181.213
Name:	mirrors.aliyun.com.w.alikunlun.com
Address: 202.104.186.226
Name:	mirrors.aliyun.com.w.alikunlun.com
Address: 219.133.44.230
Name:	mirrors.aliyun.com.w.alikunlun.com
Address: 119.147.156.229
Name:	mirrors.aliyun.com.w.alikunlun.com
Address: 14.17.124.242
Name:	mirrors.aliyun.com.w.alikunlun.com
Address: 119.147.70.218
Name:	mirrors.aliyun.com.w.alikunlun.com
Address: 183.2.199.237
Name:	mirrors.aliyun.com.w.alikunlun.com
Address: 119.147.156.230
Name:	mirrors.aliyun.com.w.alikunlun.com
Address: 113.96.181.214
Name:	mirrors.aliyun.com.w.alikunlun.com
Address: 121.14.89.215
Name:	mirrors.aliyun.com.w.alikunlun.com
Address: 113.96.109.242
Name:	mirrors.aliyun.com.w.alikunlun.com
Address: 202.104.186.227

使用wget获取网页也是正常的,就是apt不能update 也不能install

root@lqg:/home/lqg# apt install samba
Reading package lists... Done
Building dependency tree       
Reading state information... Done
The following additional packages will be installed:
  attr cron libaio1 libasn1-8-heimdal libfile-copy-recursive-perl libgdbm3
  libgssapi3-heimdal libhcrypto4-heimdal libheimbase1-heimdal
  libheimntlm0-heimdal libhx509-5-heimdal libkrb5-26-heimdal libldap-2.4-2
  libldb1 libperl5.22 libpopt0 libpython2.7 libroken18-heimdal libsasl2-2
  libsasl2-modules libsasl2-modules-db libtalloc2 libtdb1 libtevent0
  libwbclient0 libwind0-heimdal logrotate perl perl-base perl-modules-5.22
  python-crypto python-dnspython python-ldb python-samba python-talloc
  python-tdb rename samba-common samba-common-bin samba-dsdb-modules
  samba-libs samba-vfs-modules tdb-tools update-inetd
Suggested packages:
  anacron checksecurity exim4 | postfix | mail-transport-agent
  libsasl2-modules-otp libsasl2-modules-ldap libsasl2-modules-sql
  libsasl2-modules-gssapi-mit | libsasl2-modules-gssapi-heimdal mailx perl-doc
  libterm-readline-gnu-perl | libterm-readline-perl-perl make
  python-crypto-dbg python-crypto-doc bind9 bind9utils ctdb ldb-tools ntp
  smbldap-tools winbind ufw heimdal-clients
The following NEW packages will be installed:
  attr cron libaio1 libasn1-8-heimdal libfile-copy-recursive-perl libgdbm3
  libgssapi3-heimdal libhcrypto4-heimdal libheimbase1-heimdal
  libheimntlm0-heimdal libhx509-5-heimdal libkrb5-26-heimdal libldap-2.4-2
  libldb1 libperl5.22 libpopt0 libpython2.7 libroken18-heimdal libsasl2-2
  libsasl2-modules libsasl2-modules-db libtalloc2 libtdb1 libtevent0
  libwbclient0 libwind0-heimdal logrotate perl perl-modules-5.22 python-crypto
  python-dnspython python-ldb python-samba python-talloc python-tdb rename
  samba samba-common samba-common-bin samba-dsdb-modules samba-libs
  samba-vfs-modules tdb-tools update-inetd
The following packages will be upgraded:
  perl-base
1 upgraded, 44 newly installed, 0 to remove and 57 not upgraded.
Need to get 16.1 MB of archives.
After this operation, 93.0 MB of additional disk space will be used.
Do you want to continue? [Y/n] Y
Ign:1 http://mirrors.aliyun.com/ubuntu-ports xenial-security/main arm64 perl-base arm64 5.22.1-9ubuntu0.6
Err:2 http://mirrors.aliyun.com/ubuntu-ports xenial/main arm64 cron arm64 3.0pl1-128ubuntu2
  Could not resolve 'mirrors.aliyun.com'
Err:3 http://mirrors.aliyun.com/ubuntu-ports xenial/main arm64 libpopt0 arm64 1.16-10
  Could not resolve 'mirrors.aliyun.com'
Err:4 http://mirrors.aliyun.com/ubuntu-ports xenial/main arm64 libgdbm3 arm64 1.8.3-13.1
  Could not resolve 'mirrors.aliyun.com'
Ign:5 http://mirrors.aliyun.com/ubuntu-ports xenial-security/main arm64 libwbclient0 arm64 2:4.3.11+dfsg-0ubuntu0.16.04.27
Ign:6 http://mirrors.aliyun.com/ubuntu-ports xenial-security/main arm64 perl-modules-5.22 all 5.22.1-9ubuntu0.6
Ign:7 http://mirrors.aliyun.com/ubuntu-ports xenial-security/main arm64 libperl5.22 arm64 5.22.1-9ubuntu0.6
Ign:8 http://mirrors.aliyun.com/ubuntu-ports xenial-security/main arm64 perl arm64 5.22.1-9ubuntu0.6
Err:9 http://mirrors.aliyun.com/ubuntu-ports xenial/main arm64 python-dnspython all 1.12.0-1
  Could not resolve 'mirrors.aliyun.com'
Ign:10 http://mirrors.aliyun.com/ubuntu-ports xenial-security/main arm64 python-crypto arm64 2.6.1-6ubuntu0.16.04.3
Ign:11 http://mirrors.aliyun.com/ubuntu-ports xenial-security/main arm64 libroken18-heimdal arm64 1.7~git20150920+dfsg-4ubuntu1.16.04.1
Ign:12 http://mirrors.aliyun.com/ubuntu-ports xenial-security/main arm64 libasn1-8-heimdal arm64 1.7~git20150920+dfsg-4ubuntu1.16.04.1
Ign:13 http://mirrors.aliyun.com/ubuntu-ports xenial-security/main arm64 libhcrypto4-heimdal arm64 1.7~git20150920+dfsg-4ubuntu1.16.04.1
Ign:14 http://mirrors.aliyun.com/ubuntu-ports xenial-security/main arm64 libheimbase1-heimdal arm64 1.7~git20150920+dfsg-4ubuntu1.16.04.1
Ign:15 http://mirrors.aliyun.com/ubuntu-ports xenial-security/main arm64 libwind0-heimdal arm64 1.7~git20150920+dfsg-4ubuntu1.16.04.1
Ign:16 http://mirrors.aliyun.com/ubuntu-ports xenial-security/main arm64 libhx509-5-heimdal arm64 1.7~git20150920+dfsg-4ubuntu1.16.04.1
Ign:17 http://mirrors.aliyun.com/ubuntu-ports xenial-security/main arm64 libkrb5-26-heimdal arm64 1.7~git20150920+dfsg-4ubuntu1.16.04.1
Ign:18 http://mirrors.aliyun.com/ubuntu-ports xenial-security/main arm64 libheimntlm0-heimdal arm64 1.7~git20150920+dfsg-4ubuntu1.16.04.1
Ign:19 http://mirrors.aliyun.com/ubuntu-ports xenial-security/main arm64 libgssapi3-heimdal arm64 1.7~git20150920+dfsg-4ubuntu1.16.04.1
Ign:20 http://mirrors.aliyun.com/ubuntu-ports xenial-security/main arm64 libsasl2-modules-db arm64 2.1.26.dfsg1-14ubuntu0.2
Ign:21 http://mirrors.aliyun.com/ubuntu-ports xenial-security/main arm64 libsasl2-2 arm64 2.1.26.dfsg1-14ubuntu0.2
Ign:22 http://mirrors.aliyun.com/ubuntu-ports xenial-security/main arm64 libldap-2.4-2 arm64 2.4.42+dfsg-2ubuntu3.8
Err:23 http://mirrors.aliyun.com/ubuntu-ports xenial/main arm64 libtalloc2 arm64 2.1.5-2
  Could not resolve 'mirrors.aliyun.com'
Err:24 http://mirrors.aliyun.com/ubuntu-ports xenial/main arm64 libtdb1 arm64 1.3.8-2
  Could not resolve 'mirrors.aliyun.com'
Ign:25 http://mirrors.aliyun.com/ubuntu-ports xenial-security/main arm64 libtevent0 arm64 0.9.28-0ubuntu0.16.04.1
Ign:26 http://mirrors.aliyun.com/ubuntu-ports xenial-security/main arm64 libldb1 arm64 2:1.1.24-1ubuntu3.1
Ign:27 http://mirrors.aliyun.com/ubuntu-ports xenial-security/main arm64 libpython2.7 arm64 2.7.12-1ubuntu0~16.04.11
Ign:28 http://mirrors.aliyun.com/ubuntu-ports xenial-security/main arm64 python-ldb arm64 2:1.1.24-1ubuntu3.1
Err:29 http://mirrors.aliyun.com/ubuntu-ports xenial/main arm64 python-tdb arm64 1.3.8-2
  Could not resolve 'mirrors.aliyun.com'
Err:30 http://mirrors.aliyun.com/ubuntu-ports xenial/main arm64 python-talloc arm64 2.1.5-2
  Could not resolve 'mirrors.aliyun.com'
Ign:31 http://mirrors.aliyun.com/ubuntu-ports xenial-security/main arm64 samba-libs arm64 2:4.3.11+dfsg-0ubuntu0.16.04.27
Ign:32 http://mirrors.aliyun.com/ubuntu-ports xenial-security/main arm64 python-samba arm64 2:4.3.11+dfsg-0ubuntu0.16.04.27
Ign:33 http://mirrors.aliyun.com/ubuntu-ports xenial-security/main arm64 samba-common all 2:4.3.11+dfsg-0ubuntu0.16.04.27
Ign:34 http://mirrors.aliyun.com/ubuntu-ports xenial-security/main arm64 samba-common-bin arm64 2:4.3.11+dfsg-0ubuntu0.16.04.27
Err:35 http://mirrors.aliyun.com/ubuntu-ports xenial/main arm64 tdb-tools arm64 1.3.8-2
  Could not resolve 'mirrors.aliyun.com'
Err:36 http://mirrors.aliyun.com/ubuntu-ports xenial/main arm64 libfile-copy-recursive-perl all 0.38-1
  Could not resolve 'mirrors.aliyun.com'
Err:37 http://mirrors.aliyun.com/ubuntu-ports xenial/main arm64 update-inetd all 4.43
  Could not resolve 'mirrors.aliyun.com'
Ign:38 http://mirrors.aliyun.com/ubuntu-ports xenial-security/main arm64 samba arm64 2:4.3.11+dfsg-0ubuntu0.16.04.27
Err:39 http://mirrors.aliyun.com/ubuntu-ports xenial-updates/main arm64 logrotate arm64 3.8.7-2ubuntu2.16.04.2
  Could not resolve 'mirrors.aliyun.com'
Ign:40 http://mirrors.aliyun.com/ubuntu-ports xenial-security/main arm64 libsasl2-modules arm64 2.1.26.dfsg1-14ubuntu0.2
Err:41 http://mirrors.aliyun.com/ubuntu-ports xenial/main arm64 attr arm64 1:2.4.47-2
  Could not resolve 'mirrors.aliyun.com'
Err:42 http://mirrors.aliyun.com/ubuntu-ports xenial/main arm64 libaio1 arm64 0.3.110-2
  Could not resolve 'mirrors.aliyun.com'
Err:43 http://mirrors.aliyun.com/ubuntu-ports xenial/main arm64 rename all 0.20-4
  Could not resolve 'mirrors.aliyun.com'
Ign:44 http://mirrors.aliyun.com/ubuntu-ports xenial-security/main arm64 samba-dsdb-modules arm64 2:4.3.11+dfsg-0ubuntu0.16.04.27
Ign:45 http://mirrors.aliyun.com/ubuntu-ports xenial-security/main arm64 samba-vfs-modules arm64 2:4.3.11+dfsg-0ubuntu0.16.04.27
Err:1 http://mirrors.aliyun.com/ubuntu-ports xenial-security/main arm64 perl-base arm64 5.22.1-9ubuntu0.6
  Could not resolve 'mirrors.aliyun.com'
Err:5 http://mirrors.aliyun.com/ubuntu-ports xenial-security/main arm64 libwbclient0 arm64 2:4.3.11+dfsg-0ubuntu0.16.04.27
  Could not resolve 'mirrors.aliyun.com'
Err:6 http://mirrors.aliyun.com/ubuntu-ports xenial-security/main arm64 perl-modules-5.22 all 5.22.1-9ubuntu0.6
  Could not resolve 'mirrors.aliyun.com'
Err:7 http://mirrors.aliyun.com/ubuntu-ports xenial-security/main arm64 libperl5.22 arm64 5.22.1-9ubuntu0.6
  Could not resolve 'mirrors.aliyun.com'
Err:8 http://mirrors.aliyun.com/ubuntu-ports xenial-security/main arm64 perl arm64 5.22.1-9ubuntu0.6
  Could not resolve 'mirrors.aliyun.com'
Err:10 http://mirrors.aliyun.com/ubuntu-ports xenial-security/main arm64 python-crypto arm64 2.6.1-6ubuntu0.16.04.3
  Could not resolve 'mirrors.aliyun.com'
Err:11 http://mirrors.aliyun.com/ubuntu-ports xenial-security/main arm64 libroken18-heimdal arm64 1.7~git20150920+dfsg-4ubuntu1.16.04.1
  Could not resolve 'mirrors.aliyun.com'
Err:12 http://mirrors.aliyun.com/ubuntu-ports xenial-security/main arm64 libasn1-8-heimdal arm64 1.7~git20150920+dfsg-4ubuntu1.16.04.1
  Could not resolve 'mirrors.aliyun.com'
Err:13 http://mirrors.aliyun.com/ubuntu-ports xenial-security/main arm64 libhcrypto4-heimdal arm64 1.7~git20150920+dfsg-4ubuntu1.16.04.1
  Could not resolve 'mirrors.aliyun.com'
Err:14 http://mirrors.aliyun.com/ubuntu-ports xenial-security/main arm64 libheimbase1-heimdal arm64 1.7~git20150920+dfsg-4ubuntu1.16.04.1
  Could not resolve 'mirrors.aliyun.com'
Err:15 http://mirrors.aliyun.com/ubuntu-ports xenial-security/main arm64 libwind0-heimdal arm64 1.7~git20150920+dfsg-4ubuntu1.16.04.1
  Could not resolve 'mirrors.aliyun.com'
Err:16 http://mirrors.aliyun.com/ubuntu-ports xenial-security/main arm64 libhx509-5-heimdal arm64 1.7~git20150920+dfsg-4ubuntu1.16.04.1
  Could not resolve 'mirrors.aliyun.com'
Err:17 http://mirrors.aliyun.com/ubuntu-ports xenial-security/main arm64 libkrb5-26-heimdal arm64 1.7~git20150920+dfsg-4ubuntu1.16.04.1
  Could not resolve 'mirrors.aliyun.com'
Err:18 http://mirrors.aliyun.com/ubuntu-ports xenial-security/main arm64 libheimntlm0-heimdal arm64 1.7~git20150920+dfsg-4ubuntu1.16.04.1
  Could not resolve 'mirrors.aliyun.com'
Err:19 http://mirrors.aliyun.com/ubuntu-ports xenial-security/main arm64 libgssapi3-heimdal arm64 1.7~git20150920+dfsg-4ubuntu1.16.04.1
  Could not resolve 'mirrors.aliyun.com'
Err:20 http://mirrors.aliyun.com/ubuntu-ports xenial-security/main arm64 libsasl2-modules-db arm64 2.1.26.dfsg1-14ubuntu0.2
  Could not resolve 'mirrors.aliyun.com'
Err:21 http://mirrors.aliyun.com/ubuntu-ports xenial-security/main arm64 libsasl2-2 arm64 2.1.26.dfsg1-14ubuntu0.2
  Could not resolve 'mirrors.aliyun.com'
Err:22 http://mirrors.aliyun.com/ubuntu-ports xenial-security/main arm64 libldap-2.4-2 arm64 2.4.42+dfsg-2ubuntu3.8
  Could not resolve 'mirrors.aliyun.com'
Err:25 http://mirrors.aliyun.com/ubuntu-ports xenial-security/main arm64 libtevent0 arm64 0.9.28-0ubuntu0.16.04.1
  Could not resolve 'mirrors.aliyun.com'
Err:26 http://mirrors.aliyun.com/ubuntu-ports xenial-security/main arm64 libldb1 arm64 2:1.1.24-1ubuntu3.1
  Could not resolve 'mirrors.aliyun.com'
Err:27 http://mirrors.aliyun.com/ubuntu-ports xenial-security/main arm64 libpython2.7 arm64 2.7.12-1ubuntu0~16.04.11
  Could not resolve 'mirrors.aliyun.com'
Err:28 http://mirrors.aliyun.com/ubuntu-ports xenial-security/main arm64 python-ldb arm64 2:1.1.24-1ubuntu3.1
  Could not resolve 'mirrors.aliyun.com'
Err:31 http://mirrors.aliyun.com/ubuntu-ports xenial-security/main arm64 samba-libs arm64 2:4.3.11+dfsg-0ubuntu0.16.04.27
  Could not resolve 'mirrors.aliyun.com'
Err:32 http://mirrors.aliyun.com/ubuntu-ports xenial-security/main arm64 python-samba arm64 2:4.3.11+dfsg-0ubuntu0.16.04.27
  Could not resolve 'mirrors.aliyun.com'
Err:33 http://mirrors.aliyun.com/ubuntu-ports xenial-security/main arm64 samba-common all 2:4.3.11+dfsg-0ubuntu0.16.04.27
  Could not resolve 'mirrors.aliyun.com'
Err:34 http://mirrors.aliyun.com/ubuntu-ports xenial-security/main arm64 samba-common-bin arm64 2:4.3.11+dfsg-0ubuntu0.16.04.27
  Could not resolve 'mirrors.aliyun.com'
Err:38 http://mirrors.aliyun.com/ubuntu-ports xenial-security/main arm64 samba arm64 2:4.3.11+dfsg-0ubuntu0.16.04.27
  Could not resolve 'mirrors.aliyun.com'
Err:40 http://mirrors.aliyun.com/ubuntu-ports xenial-security/main arm64 libsasl2-modules arm64 2.1.26.dfsg1-14ubuntu0.2
  Could not resolve 'mirrors.aliyun.com'
Err:44 http://mirrors.aliyun.com/ubuntu-ports xenial-security/main arm64 samba-dsdb-modules arm64 2:4.3.11+dfsg-0ubuntu0.16.04.27
  Could not resolve 'mirrors.aliyun.com'
Err:45 http://mirrors.aliyun.com/ubuntu-ports xenial-security/main arm64 samba-vfs-modules arm64 2:4.3.11+dfsg-0ubuntu0.16.04.27
  Could not resolve 'mirrors.aliyun.com'
E: Failed to fetch http://mirrors.aliyun.com/ubuntu-ports/pool/main/p/perl/perl-base_5.22.1-9ubuntu0.6_arm64.deb  Could not resolve 'mirrors.aliyun.com'

E: Failed to fetch http://mirrors.aliyun.com/ubuntu-ports/pool/main/c/cron/cron_3.0pl1-128ubuntu2_arm64.deb  Could not resolve 'mirrors.aliyun.com'

E: Failed to fetch http://mirrors.aliyun.com/ubuntu-ports/pool/main/p/popt/libpopt0_1.16-10_arm64.deb  Could not resolve 'mirrors.aliyun.com'

E: Failed to fetch http://mirrors.aliyun.com/ubuntu-ports/pool/main/g/gdbm/libgdbm3_1.8.3-13.1_arm64.deb  Could not resolve 'mirrors.aliyun.com'

E: Failed to fetch http://mirrors.aliyun.com/ubuntu-ports/pool/main/s/samba/libwbclient0_4.3.11+dfsg-0ubuntu0.16.04.27_arm64.deb  Could not resolve 'mirrors.aliyun.com'

E: Failed to fetch http://mirrors.aliyun.com/ubuntu-ports/pool/main/p/perl/perl-modules-5.22_5.22.1-9ubuntu0.6_all.deb  Could not resolve 'mirrors.aliyun.com'

E: Failed to fetch http://mirrors.aliyun.com/ubuntu-ports/pool/main/p/perl/libperl5.22_5.22.1-9ubuntu0.6_arm64.deb  Could not resolve 'mirrors.aliyun.com'

E: Failed to fetch http://mirrors.aliyun.com/ubuntu-ports/pool/main/p/perl/perl_5.22.1-9ubuntu0.6_arm64.deb  Could not resolve 'mirrors.aliyun.com'

E: Failed to fetch http://mirrors.aliyun.com/ubuntu-ports/pool/main/d/dnspython/python-dnspython_1.12.0-1_all.deb  Could not resolve 'mirrors.aliyun.com'

E: Failed to fetch http://mirrors.aliyun.com/ubuntu-ports/pool/main/p/python-crypto/python-crypto_2.6.1-6ubuntu0.16.04.3_arm64.deb  Could not resolve 'mirrors.aliyun.com'

E: Failed to fetch http://mirrors.aliyun.com/ubuntu-ports/pool/main/h/heimdal/libroken18-heimdal_1.7~git20150920+dfsg-4ubuntu1.16.04.1_arm64.deb  Could not resolve 'mirrors.aliyun.com'

E: Failed to fetch http://mirrors.aliyun.com/ubuntu-ports/pool/main/h/heimdal/libasn1-8-heimdal_1.7~git20150920+dfsg-4ubuntu1.16.04.1_arm64.deb  Could not resolve 'mirrors.aliyun.com'

E: Failed to fetch http://mirrors.aliyun.com/ubuntu-ports/pool/main/h/heimdal/libhcrypto4-heimdal_1.7~git20150920+dfsg-4ubuntu1.16.04.1_arm64.deb  Could not resolve 'mirrors.aliyun.com'

E: Failed to fetch http://mirrors.aliyun.com/ubuntu-ports/pool/main/h/heimdal/libheimbase1-heimdal_1.7~git20150920+dfsg-4ubuntu1.16.04.1_arm64.deb  Could not resolve 'mirrors.aliyun.com'

E: Failed to fetch http://mirrors.aliyun.com/ubuntu-ports/pool/main/h/heimdal/libwind0-heimdal_1.7~git20150920+dfsg-4ubuntu1.16.04.1_arm64.deb  Could not resolve 'mirrors.aliyun.com'

E: Failed to fetch http://mirrors.aliyun.com/ubuntu-ports/pool/main/h/heimdal/libhx509-5-heimdal_1.7~git20150920+dfsg-4ubuntu1.16.04.1_arm64.deb  Could not resolve 'mirrors.aliyun.com'

E: Failed to fetch http://mirrors.aliyun.com/ubuntu-ports/pool/main/h/heimdal/libkrb5-26-heimdal_1.7~git20150920+dfsg-4ubuntu1.16.04.1_arm64.deb  Could not resolve 'mirrors.aliyun.com'

E: Failed to fetch http://mirrors.aliyun.com/ubuntu-ports/pool/main/h/heimdal/libheimntlm0-heimdal_1.7~git20150920+dfsg-4ubuntu1.16.04.1_arm64.deb  Could not resolve 'mirrors.aliyun.com'

E: Failed to fetch http://mirrors.aliyun.com/ubuntu-ports/pool/main/h/heimdal/libgssapi3-heimdal_1.7~git20150920+dfsg-4ubuntu1.16.04.1_arm64.deb  Could not resolve 'mirrors.aliyun.com'

E: Failed to fetch http://mirrors.aliyun.com/ubuntu-ports/pool/main/c/cyrus-sasl2/libsasl2-modules-db_2.1.26.dfsg1-14ubuntu0.2_arm64.deb  Could not resolve 'mirrors.aliyun.com'

E: Failed to fetch http://mirrors.aliyun.com/ubuntu-ports/pool/main/c/cyrus-sasl2/libsasl2-2_2.1.26.dfsg1-14ubuntu0.2_arm64.deb  Could not resolve 'mirrors.aliyun.com'

E: Failed to fetch http://mirrors.aliyun.com/ubuntu-ports/pool/main/o/openldap/libldap-2.4-2_2.4.42+dfsg-2ubuntu3.8_arm64.deb  Could not resolve 'mirrors.aliyun.com'

E: Failed to fetch http://mirrors.aliyun.com/ubuntu-ports/pool/main/t/talloc/libtalloc2_2.1.5-2_arm64.deb  Could not resolve 'mirrors.aliyun.com'

E: Failed to fetch http://mirrors.aliyun.com/ubuntu-ports/pool/main/t/tdb/libtdb1_1.3.8-2_arm64.deb  Could not resolve 'mirrors.aliyun.com'

E: Failed to fetch http://mirrors.aliyun.com/ubuntu-ports/pool/main/t/tevent/libtevent0_0.9.28-0ubuntu0.16.04.1_arm64.deb  Could not resolve 'mirrors.aliyun.com'

E: Failed to fetch http://mirrors.aliyun.com/ubuntu-ports/pool/main/l/ldb/libldb1_1.1.24-1ubuntu3.1_arm64.deb  Could not resolve 'mirrors.aliyun.com'

E: Failed to fetch http://mirrors.aliyun.com/ubuntu-ports/pool/main/p/python2.7/libpython2.7_2.7.12-1ubuntu0~16.04.11_arm64.deb  Could not resolve 'mirrors.aliyun.com'

E: Failed to fetch http://mirrors.aliyun.com/ubuntu-ports/pool/main/l/ldb/python-ldb_1.1.24-1ubuntu3.1_arm64.deb  Could not resolve 'mirrors.aliyun.com'

E: Failed to fetch http://mirrors.aliyun.com/ubuntu-ports/pool/main/t/tdb/python-tdb_1.3.8-2_arm64.deb  Could not resolve 'mirrors.aliyun.com'

E: Failed to fetch http://mirrors.aliyun.com/ubuntu-ports/pool/main/t/talloc/python-talloc_2.1.5-2_arm64.deb  Could not resolve 'mirrors.aliyun.com'

E: Failed to fetch http://mirrors.aliyun.com/ubuntu-ports/pool/main/s/samba/samba-libs_4.3.11+dfsg-0ubuntu0.16.04.27_arm64.deb  Could not resolve 'mirrors.aliyun.com'

E: Failed to fetch http://mirrors.aliyun.com/ubuntu-ports/pool/main/s/samba/python-samba_4.3.11+dfsg-0ubuntu0.16.04.27_arm64.deb  Could not resolve 'mirrors.aliyun.com'

E: Failed to fetch http://mirrors.aliyun.com/ubuntu-ports/pool/main/s/samba/samba-common_4.3.11+dfsg-0ubuntu0.16.04.27_all.deb  Could not resolve 'mirrors.aliyun.com'

E: Failed to fetch http://mirrors.aliyun.com/ubuntu-ports/pool/main/s/samba/samba-common-bin_4.3.11+dfsg-0ubuntu0.16.04.27_arm64.deb  Could not resolve 'mirrors.aliyun.com'

E: Failed to fetch http://mirrors.aliyun.com/ubuntu-ports/pool/main/t/tdb/tdb-tools_1.3.8-2_arm64.deb  Could not resolve 'mirrors.aliyun.com'

E: Failed to fetch http://mirrors.aliyun.com/ubuntu-ports/pool/main/libf/libfile-copy-recursive-perl/libfile-copy-recursive-perl_0.38-1_all.deb  Could not resolve 'mirrors.aliyun.com'

E: Failed to fetch http://mirrors.aliyun.com/ubuntu-ports/pool/main/u/update-inetd/update-inetd_4.43_all.deb  Could not resolve 'mirrors.aliyun.com'

E: Failed to fetch http://mirrors.aliyun.com/ubuntu-ports/pool/main/s/samba/samba_4.3.11+dfsg-0ubuntu0.16.04.27_arm64.deb  Could not resolve 'mirrors.aliyun.com'

E: Failed to fetch http://mirrors.aliyun.com/ubuntu-ports/pool/main/l/logrotate/logrotate_3.8.7-2ubuntu2.16.04.2_arm64.deb  Could not resolve 'mirrors.aliyun.com'

E: Failed to fetch http://mirrors.aliyun.com/ubuntu-ports/pool/main/c/cyrus-sasl2/libsasl2-modules_2.1.26.dfsg1-14ubuntu0.2_arm64.deb  Could not resolve 'mirrors.aliyun.com'

E: Failed to fetch http://mirrors.aliyun.com/ubuntu-ports/pool/main/a/attr/attr_2.4.47-2_arm64.deb  Could not resolve 'mirrors.aliyun.com'

E: Failed to fetch http://mirrors.aliyun.com/ubuntu-ports/pool/main/liba/libaio/libaio1_0.3.110-2_arm64.deb  Could not resolve 'mirrors.aliyun.com'

E: Failed to fetch http://mirrors.aliyun.com/ubuntu-ports/pool/main/r/rename/rename_0.20-4_all.deb  Could not resolve 'mirrors.aliyun.com'

E: Failed to fetch http://mirrors.aliyun.com/ubuntu-ports/pool/main/s/samba/samba-dsdb-modules_4.3.11+dfsg-0ubuntu0.16.04.27_arm64.deb  Could not resolve 'mirrors.aliyun.com'

E: Failed to fetch http://mirrors.aliyun.com/ubuntu-ports/pool/main/s/samba/samba-vfs-modules_4.3.11+dfsg-0ubuntu0.16.04.27_arm64.deb  Could not resolve 'mirrors.aliyun.com'

E: Unable to fetch some archives, maybe run apt-get update or try with --fix-missing?