This is a quick and dirty fix,  about `/boot/efi/EFI/redhat/grub.efi` can not find the configuration file.
Introduce interface type "bmc" for managing BMC via DHCP.
Make pre_install_network_config to ignore BMC interface.
Make network_config to ignore BMC interface.
Make network_config_esx to ignore BMC interface.
Make network_config_esxi to ignore BMC interface.
Make post_install_network_config to ignore BMC interface.
Make post_install_network_config_deb to ignore BMC interface.
Fix `$iface_type' comparisons in network configuration snippets
Merge pull request #1200 from kaorimatz/fix-interface-type-comparison

Fix `$iface_type' comparisons in network configuration snippets
Merge pull request #1197 from r0ckpine/feature/bmc-interface

Introduce interface type "bmc" for managing BMC via DHCP.
Merge pull request #1183 from gotnix/master

Fix `/boot/efi/EFI/redhat/grub.efi` can not find the configuration file.