Dpu host node addrs

[cathy-zhou]

- What this PR does and why is it needed

- Special notes for reviewers

- How to verify it

- Description for the changelog

[coveralls]

Pull Request Test Coverage Report for Build 2915849670

• 357 of 689 (51.81%) changed or added relevant lines in 17 files are covered.
• 33 unchanged lines in 6 files lost coverage.
• Overall coverage decreased (-0.4%) to 51.805%

---

Changes Missing Coverage	Covered Lines	Changed/Added Lines	%
go-controller/pkg/ovn/egressgw.go	0	3	0.0%
go-controller/pkg/ovn/policy.go	0	3	0.0%
go-controller/pkg/node/node.go	0	4	0.0%
go-controller/pkg/node/gateway_init.go	1	6	16.67%
go-controller/pkg/metrics/metrics.go	0	7	0.0%
go-controller/pkg/node/gateway.go	10	17	58.82%
go-controller/pkg/ovn/master.go	13	22	59.09%
go-controller/pkg/ovn/namespace.go	0	11	0.0%
go-controller/pkg/node/gateway_localnet.go	4	16	25.0%
go-controller/pkg/ovn/pods.go	44	56	78.57%

Files with Coverage Reduction	New Missed Lines	%
go-controller/pkg/kube/kube.go	3	40.0%
go-controller/pkg/ovn/controller/unidling/unidle.go	4	59.23%
go-controller/pkg/ovn/egressfirewall_dns.go	5	77.61%
go-controller/pkg/ovn/obj_retry.go	6	73.52%
go-controller/hybrid-overlay/pkg/controller/master.go	7	75.07%
go-controller/pkg/node/gateway_shared_intf.go	8	56.13%

Totals
Change from base Build 2793608158:	-0.4%
Covered Lines:	15544
Relevant Lines:	30005

---

💛 - Coveralls