Failed to fetch ubuntu xenial packages from sfo1.mirrors.digitalocean.com using apt-get update

Seems like some packages are not present in http://sfo1.mirrors.digitalocean.com/ubuntu/dists. Here is the output when I run sudo apt-get update:

Ign:1 http://repo.mongodb.org/apt/ubuntu xenial/mongodb-org/3.2 InRelease Hit:2 http://repo.mongodb.org/apt/ubuntu xenial/mongodb-org/3.2 Release Hit:3 http://linux-packages.resilio.com/resilio-sync/deb resilio-sync InRelease Get:4 http://security.ubuntu.com/ubuntu xenial-security InRelease [107 kB] Hit:5 http://ppa.launchpad.net/certbot/certbot/ubuntu xenial InRelease Hit:8 https://deb.nodesource.com/node_7.x xenial InRelease Hit:9 https://dl.yarnpkg.com/debian stable InRelease Hit:10 https://repos.sonar.digitalocean.com/apt main InRelease Get:6 http://sfo1.mirrors.digitalocean.com/ubuntu xenial InRelease [247 kB] Get:11 http://sfo1.mirrors.digitalocean.com/ubuntu xenial-updates InRelease [109 kB] Get:12 http://sfo1.mirrors.digitalocean.com/ubuntu xenial-backports InRelease [107 kB] Hit:13 http://ppa.launchpad.net/fish-shell/release-2/ubuntu xenial InRelease Hit:14 http://ppa.launchpad.net/longsleep/golang-backports/ubuntu xenial InRelease Get:15 http://sfo1.mirrors.digitalocean.com/ubuntu xenial/main Sources [868 kB] Get:16 http://sfo1.mirrors.digitalocean.com/ubuntu xenial/restricted Sources [4,808 B] Get:17 http://security.ubuntu.com/ubuntu xenial-security/main Sources [138 kB] Get:18 http://security.ubuntu.com/ubuntu xenial-security/restricted Sources [2,116 B] Hit:20 http://ppa.launchpad.net/max-c-lv/shadowsocks-libev/ubuntu xenial InRelease Get:21 http://security.ubuntu.com/ubuntu xenial-security/universe Sources [88.3 kB] Get:22 http://security.ubuntu.com/ubuntu xenial-security/multiverse Sources [2,468 B] Get:24 http://security.ubuntu.com/ubuntu xenial-security/main amd64 Packages [587 kB] Hit:26 http://ppa.launchpad.net/wireguard/wireguard/ubuntu xenial InRelease Ign:27 http://security.ubuntu.com/ubuntu xenial-security/main armhf Packages Get:29 http://security.ubuntu.com/ubuntu xenial-security/main Translation-en [245 kB] Get:30 http://security.ubuntu.com/ubuntu xenial-security/restricted amd64 Packages [7,204 B] Get:19 http://sfo1.mirrors.digitalocean.com/ubuntu xenial/universe Sources [7,728 kB] Ign:32 http://security.ubuntu.com/ubuntu xenial-security/restricted armhf Packages Get:23 http://sfo1.mirrors.digitalocean.com/ubuntu xenial/multiverse Sources [179 kB] Get:33 http://security.ubuntu.com/ubuntu xenial-security/restricted Translation-en [2,152 B] Get:25 http://sfo1.mirrors.digitalocean.com/ubuntu xenial/main amd64 Packages [1,201 kB] Ign:28 http://sfo1.mirrors.digitalocean.com/ubuntu xenial/main armhf Packages Get:35 http://security.ubuntu.com/ubuntu xenial-security/universe amd64 Packages [402 kB] Get:31 http://sfo1.mirrors.digitalocean.com/ubuntu xenial/main Translation-en [568 kB] Get:34 http://sfo1.mirrors.digitalocean.com/ubuntu xenial/restricted amd64 Packages [8,344 B] Ign:36 http://sfo1.mirrors.digitalocean.com/ubuntu xenial/restricted armhf Packages Ign:37 http://security.ubuntu.com/ubuntu xenial-security/universe armhf Packages Get:38 http://sfo1.mirrors.digitalocean.com/ubuntu xenial/restricted Translation-en [2,908 B] Get:40 http://security.ubuntu.com/ubuntu xenial-security/universe Translation-en [157 kB] Get:41 http://security.ubuntu.com/ubuntu xenial-security/multiverse amd64 Packages [3,724 B] Ign:42 http://security.ubuntu.com/ubuntu xenial-security/multiverse armhf Packages Get:43 http://security.ubuntu.com/ubuntu xenial-security/multiverse Translation-en [1,844 B] Ign:27 http://security.ubuntu.com/ubuntu xenial-security/main armhf Packages Ign:32 http://security.ubuntu.com/ubuntu xenial-security/restricted armhf Packages Get:39 http://sfo1.mirrors.digitalocean.com/ubuntu xenial/universe amd64 Packages [7,532 kB] Ign:44 http://sfo1.mirrors.digitalocean.com/ubuntu xenial/universe armhf Packages Ign:37 http://security.ubuntu.com/ubuntu xenial-security/universe armhf Packages Ign:42 http://security.ubuntu.com/ubuntu xenial-security/multiverse armhf Packages Ign:27 http://security.ubuntu.com/ubuntu xenial-security/main armhf Packages Get:45 http://sfo1.mirrors.digitalocean.com/ubuntu xenial/universe Translation-en [4,354 kB] Get:46 http://sfo1.mirrors.digitalocean.com/ubuntu xenial/multiverse amd64 Packages [144 kB] Ign:47 http://sfo1.mirrors.digitalocean.com/ubuntu xenial/multiverse armhf Packages Ign:32 http://security.ubuntu.com/ubuntu xenial-security/restricted armhf Packages Ign:37 http://security.ubuntu.com/ubuntu xenial-security/universe armhf Packages Get:48 http://sfo1.mirrors.digitalocean.com/ubuntu xenial/multiverse Translation-en [106 kB] Ign:42 http://security.ubuntu.com/ubuntu xenial-security/multiverse armhf Packages Err:27 http://security.ubuntu.com/ubuntu xenial-security/main armhf Packages 404 Not Found [IP: 91.189.91.26 80] Get:49 http://sfo1.mirrors.digitalocean.com/ubuntu xenial-updates/main Sources [327 kB] Ign:32 http://security.ubuntu.com/ubuntu xenial-security/restricted armhf Packages Get:50 http://sfo1.mirrors.digitalocean.com/ubuntu xenial-updates/restricted Sources [2,528 B] Ign:37 http://security.ubuntu.com/ubuntu xenial-security/universe armhf Packages Ign:42 http://security.ubuntu.com/ubuntu xenial-security/multiverse armhf Packages Get:51 http://sfo1.mirrors.digitalocean.com/ubuntu xenial-updates/universe Sources [235 kB] Get:52 http://sfo1.mirrors.digitalocean.com/ubuntu xenial-updates/multiverse Sources [8,740 B] Get:53 http://sfo1.mirrors.digitalocean.com/ubuntu xenial-updates/main amd64 Packages [890 kB] Ign:54 http://sfo1.mirrors.digitalocean.com/ubuntu xenial-updates/main armhf Packages Get:55 http://sfo1.mirrors.digitalocean.com/ubuntu xenial-updates/main Translation-en [361 kB] Get:56 http://sfo1.mirrors.digitalocean.com/ubuntu xenial-updates/restricted amd64 Packages [7,556 B] Ign:57 http://sfo1.mirrors.digitalocean.com/ubuntu xenial-updates/restricted armhf Packages Get:58 http://sfo1.mirrors.digitalocean.com/ubuntu xenial-updates/restricted Translation-en [2,272 B] Get:59 http://sfo1.mirrors.digitalocean.com/ubuntu xenial-updates/universe amd64 Packages [710 kB] Ign:60 http://sfo1.mirrors.digitalocean.com/ubuntu xenial-updates/universe armhf Packages Get:61 http://sfo1.mirrors.digitalocean.com/ubuntu xenial-updates/universe Translation-en [290 kB] Get:62 http://sfo1.mirrors.digitalocean.com/ubuntu xenial-updates/multiverse amd64 Packages [16.6 kB] Ign:63 http://sfo1.mirrors.digitalocean.com/ubuntu xenial-updates/multiverse armhf Packages Get:64 http://sfo1.mirrors.digitalocean.com/ubuntu xenial-updates/multiverse Translation-en [8,440 B] Get:65 http://sfo1.mirrors.digitalocean.com/ubuntu xenial-backports/main Sources [4,856 B] Get:66 http://sfo1.mirrors.digitalocean.com/ubuntu xenial-backports/universe Sources [6,740 B] Get:67 http://sfo1.mirrors.digitalocean.com/ubuntu xenial-backports/main amd64 Packages [7,288 B] Ign:68 http://sfo1.mirrors.digitalocean.com/ubuntu xenial-backports/main armhf Packages Get:69 http://sfo1.mirrors.digitalocean.com/ubuntu xenial-backports/main Translation-en [4,456 B] Get:70 http://sfo1.mirrors.digitalocean.com/ubuntu xenial-backports/universe amd64 Packages [7,804 B] Ign:71 http://sfo1.mirrors.digitalocean.com/ubuntu xenial-backports/universe armhf Packages Get:72 http://sfo1.mirrors.digitalocean.com/ubuntu xenial-backports/universe Translation-en [4,184 B] Ign:28 http://sfo1.mirrors.digitalocean.com/ubuntu xenial/main armhf Packages Ign:36 http://sfo1.mirrors.digitalocean.com/ubuntu xenial/restricted armhf Packages Ign:44 http://sfo1.mirrors.digitalocean.com/ubuntu xenial/universe armhf Packages Ign:47 http://sfo1.mirrors.digitalocean.com/ubuntu xenial/multiverse armhf Packages Ign:54 http://sfo1.mirrors.digitalocean.com/ubuntu xenial-updates/main armhf Packages Ign:57 http://sfo1.mirrors.digitalocean.com/ubuntu xenial-updates/restricted armhf Packages Ign:60 http://sfo1.mirrors.digitalocean.com/ubuntu xenial-updates/universe armhf Packages Ign:63 http://sfo1.mirrors.digitalocean.com/ubuntu xenial-updates/multiverse armhf Packages Ign:68 http://sfo1.mirrors.digitalocean.com/ubuntu xenial-backports/main armhf Packages Ign:71 http://sfo1.mirrors.digitalocean.com/ubuntu xenial-backports/universe armhf Packages Ign:28 http://sfo1.mirrors.digitalocean.com/ubuntu xenial/main armhf Packages Ign:36 http://sfo1.mirrors.digitalocean.com/ubuntu xenial/restricted armhf Packages Ign:44 http://sfo1.mirrors.digitalocean.com/ubuntu xenial/universe armhf Packages Ign:47 http://sfo1.mirrors.digitalocean.com/ubuntu xenial/multiverse armhf Packages Ign:54 http://sfo1.mirrors.digitalocean.com/ubuntu xenial-updates/main armhf Packages Ign:57 http://sfo1.mirrors.digitalocean.com/ubuntu xenial-updates/restricted armhf Packages Ign:60 http://sfo1.mirrors.digitalocean.com/ubuntu xenial-updates/universe armhf Packages Ign:63 http://sfo1.mirrors.digitalocean.com/ubuntu xenial-updates/multiverse armhf Packages Ign:68 http://sfo1.mirrors.digitalocean.com/ubuntu xenial-backports/main armhf Packages Ign:71 http://sfo1.mirrors.digitalocean.com/ubuntu xenial-backports/universe armhf Packages Err:28 http://sfo1.mirrors.digitalocean.com/ubuntu xenial/main armhf Packages 404 Not Found [IP: 198.199.99.226 80] Err:54 http://sfo1.mirrors.digitalocean.com/ubuntu xenial-updates/main armhf Packages 404 Not Found [IP: 198.199.99.226 80] Err:68 http://sfo1.mirrors.digitalocean.com/ubuntu xenial-backports/main armhf Packages 404 Not Found [IP: 198.199.99.226 80] Fetched 570 kB in 10s (53.8 kB/s) Reading package lists… Done N: Skipping acquire of configured file ‘multiverse/binary-armhf/Packages’ as repository ‘http://repo.mongodb.org/apt/ubuntu xenial/mongodb-org/3.2 InRelease’ doesn’t support architecture ‘armhf’ N: Skipping acquire of configured file ‘main/binary-armhf/Packages’ as repository ‘https://repos.sonar.digitalocean.com/apt main InRelease’ doesn’t support architecture ‘armhf’ E: Failed to fetch http://sfo1.mirrors.digitalocean.com/ubuntu/dists/xenial/main/binary-armhf/Packages 404 Not Found [IP: 198.199.99.226 80] E: Failed to fetch http://sfo1.mirrors.digitalocean.com/ubuntu/dists/xenial/restricted/binary-armhf/Packages 404 Not Found [IP: 198.199.99.226 80] E: Failed to fetch http://sfo1.mirrors.digitalocean.com/ubuntu/dists/xenial/universe/binary-armhf/Packages 404 Not Found [IP: 198.199.99.226 80] E: Failed to fetch http://sfo1.mirrors.digitalocean.com/ubuntu/dists/xenial/multiverse/binary-armhf/Packages 404 Not Found [IP: 198.199.99.226 80] E: Failed to fetch http://sfo1.mirrors.digitalocean.com/ubuntu/dists/xenial-updates/main/binary-armhf/Packages 404 Not Found [IP: 198.199.99.226 80] E: Failed to fetch http://sfo1.mirrors.digitalocean.com/ubuntu/dists/xenial-updates/restricted/binary-armhf/Packages 404 Not Found [IP: 198.199.99.226 80] E: Failed to fetch http://sfo1.mirrors.digitalocean.com/ubuntu/dists/xenial-updates/universe/binary-armhf/Packages 404 Not Found [IP: 198.199.99.226 80] E: Failed to fetch http://sfo1.mirrors.digitalocean.com/ubuntu/dists/xenial-updates/multiverse/binary-armhf/Packages 404 Not Found [IP: 198.199.99.226 80] E: Failed to fetch http://security.ubuntu.com/ubuntu/dists/xenial-security/main/binary-armhf/Packages 404 Not Found [IP: 91.189.91.26 80] E: Failed to fetch http://sfo1.mirrors.digitalocean.com/ubuntu/dists/xenial-backports/main/binary-armhf/Packages 404 Not Found [IP: 198.199.99.226 80] E: Failed to fetch http://sfo1.mirrors.digitalocean.com/ubuntu/dists/xenial-backports/universe/binary-armhf/Packages 404 Not Found [IP: 198.199.99.226 80] E: Some index files failed to download. They have been ignored, or old ones used instead.