A yum message while upgrading from CentOS from 7.4 to 7.5 ======= Update : 1:wireguard-dkms-0.0.20180420-1.el7.centos.noarch 44/376 warning: %post(wireguard-dkms-1:0.0.20180420-1.el7.centos.noarch) scriptlet failed, signal 9 Non-fatal POSTIN scriptlet failure in rpm package 1:wireguard-dkms-0.0.20180420-1.el7.centos.noarch Killed =======