After creating droplet i usually update the OS by using yum update.
but, centos 7.4 stuck when i do update.

Running transaction
Updating : libgcc-4.8.5-16.el74.2.x8664 1/42
Updating : systemd-libs-219-42.el74.10.x8664 2/42
Updating : systemd-219-42.el74.10.x8664 3/42
Updating : 12:dhcp-libs-4.2.5-58.el7.centos.3.x8664 4/42
Updating : 12:dhcp-common-4.2.5-58.el7.centos.3.x8664 5/42
Updating : selinux-policy-3.13.1-166.el74.9.noarch 6/42
Updating : libteam-1.25-6.el74.3.x8664 7/42
Updating : kernel-tools-libs-3.10.0-693.21.1.el7.x8664 8/42
Installing : linux-firmware-20170606-58.gitc990aae.el74.noarch 9/42
Installing : kernel-3.10.0-693.21.1.el7.x8664 10/42
Updating : kernel-tools-3.10.0-693.21.1.el7.x8664 11/42
Updating : teamd-1.25-6.el74.3.x8664 12/42
Updating : selinux-policy-targeted-3.13.1-166.el74.9.noarch 13/42
Updating : 12:dhclient-4.2.5-58.el7.centos.3.x8664 14/42
Updating : cloud-init-0.7.9-9.el7.centos.6.x8664 15/42
Updating : systemd-sysv-219-42.el74.10.x8664 16/42
Updating : 1:nfs-utils-1.3.0-0.48.el74.2.x8664 17/42
Updating : libstdc++-4.8.5-16.el74.2.x8664 18/42
Updating : iptables-1.4.21-18.3.el74.x8664 19/42
Updating : tzdata-2018d-1.el7.noarch 20/42
Updating : libgomp-4.8.5-16.el74.2.x8664 21/42
Updating : python-perf-3.10.0-693.21.1.el7.x8664 22/42
Cleanup : 12:dhclient-4.2.5-58.el7.centos.1.x8664 23/42
Cleanup : 12:dhcp-common-4.2.5-58.el7.centos.1.x8664 24/42
Cleanup : 12:dhcp-libs-4.2.5-58.el7.centos.1.x8664 25/42
Cleanup : selinux-policy-targeted-3.13.1-166.el74.7.noarch 26/42
Cleanup : systemd-sysv-219-42.el74.7.x8664 27/42
Cleanup : cloud-init-0.7.9-9.el7.centos.2.x8664 28/42
Cleanup : kernel-tools-3.10.0-693.17.1.el7.x8664 29/42
Cleanup : teamd-1.25-5.el7.x8664 30/42
Cleanup : libstdc++-4.8.5-16.el74.1.x8664 31/42
Cleanup : 1:nfs-utils-1.3.0-0.48.el74.1.x8664 32/42
Cleanup : selinux-policy-3.13.1-166.el74.7.noarch 33/42
Cleanup : tzdata-2018c-1.el7.noarch 34/42
Cleanup : systemd-219-42.el74.7.x8664 35/42
Cleanup : systemd-libs-219-42.el74.7.x8664 36/42
Cleanup : libgcc-4.8.5-16.el74.1.x8664 37/42
Cleanup : libteam-1.25-5.el7.x8664 38/42
Cleanup : kernel-tools-libs-3.10.0-693.17.1.el7.x8664 39/42
Cleanup : iptables-1.4.21-18.2.el74.x8664 40/42
Cleanup : libgomp-4.8.5-16.el74.1.x8664 41/42
Cleanup : python-perf-3.10.0-693.17.1.el7.x8664 42/42

nothing happened after that, tried several times.