This update for yast2-network fixes the following issues:
- Fix connection hostname initialization (bsc#1175579)

- Infer the vlan_id from the interface file name when the attribute
is not declared explicitly (bsc#1176575)

- When proposing the virtualization network configuration, force a
read of the current configuration in case that it is not present
(bsc#1176313)

This update was imported from the SUSE:SLE-15-SP2:Update update project.