Add networking info for collect_rancheros_info.sh

Roll back kernel 4.14.138-rancher

Bump rancher/os-hypervvmtools and rancher/os-openvmtools

Support for flushing cert to initrd only

Adjust log output

Bump rancher/os-hypervvmtools to v4.14.138-rancher-1

Add a script that can flush custom certs to iso file

Reduce log output level

Fix the build scripts for arm64

Bump up kernel to v4.14.122-rancher-1