fix: shoot ipv6 icmp redirects

[mzz2017]

Background

In the commits of v0.5-v0.6, lan_egress was removed, resulting in icmpv6 redirect packets not being dropped, which forces some users (旁路由用户) to use MASQUERADE.

This PR fixed it.

Checklist

• [ ] The Pull Request has been fully tested
• [ ] There's an entry in the CHANGELOGS
• [ ] There is a user-facing docs PR against https://github.com/daeuniverse/dae

Full Changelogs

• [Implement ...]

Issue Reference

Closes #[issue number]

Test Result