Definition of Done: Please mark each item below with ( / ) if completed or ( x ) if incomplete: The acceptance criteria defined below are met. Same as in the description. Reformulated: User story : As a user of a multi-interface node (OCP), I want to configure secondary interface  to allow forwarding sysctl (sysctl -w "net.ipv4.conf.eth2.forward=1") in order metallb LBs to work. Acceptance Criteria Given a system administrator configuring a system where default forwarding is not set (sysctl -w "net.ipv4.ip_forward=0"),  When they apply this nmstate config --- interfaces:   - name: eth1     type: ethernet     state: up     ipv4:       address:       - ip: 192.0.2.251         prefix-length: 24       dhcp: false       enabled: true       sysctl:         # using the name defined in         # https: //www.kernel.org/doc/Documentation/networking/ip-sysctl.txt         forwarding: true Then, the packets entering the eth1 are processed by forwarding rules (e.g. iptables-nft forward chain) ( ) Integration test case is available upstream ( ) Code is reviewed and merged upstream ( ) Preliminary testing is done ( ) Upstream documentation is written in the upstream MR ( ) Release Notes text is written in the RHEL issue ( ) A demo is recorded