https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=205285
Bug ID: 205285
Summary: [regression] Duplicated IPv6 localhost addresses after
r291643
Product: Base System
Version: 11.0-CURRENT
Hardware: Any
OS: Any
Status: New
Keywords: regression
Severity: Affects Some People
Priority: ---
Component: kern
Assignee: [email protected]
Reporter: [email protected]
Keywords: regression
After r291643, upping a cloned interface results in ::1 getting assigned to it:
[fk@kendra ~]$ sudo ifconfig lo1 create
[fk@kendra ~]$ ifconfig lo1
lo1: flags=8008<LOOPBACK,MULTICAST> metric 0 mtu 16384
options=600003<RXCSUM,TXCSUM,RXCSUM_IPV6,TXCSUM_IPV6>
nd6 options=29<PERFORMNUD,IFDISABLED,AUTO_LINKLOCAL>
groups: lo
[fk@kendra ~]$ sudo ifconfig lo1 up
[fk@kendra ~]$ ifconfig lo1
lo1: flags=8049<UP,LOOPBACK,RUNNING,MULTICAST> metric 0 mtu 16384
options=600003<RXCSUM,TXCSUM,RXCSUM_IPV6,TXCSUM_IPV6>
inet6 ::1 prefixlen 128 tentative
nd6 options=29<PERFORMNUD,IFDISABLED,AUTO_LINKLOCAL>
groups: lo
This broke my pf configuration as it resulted in invalid NAT rules.
After reverting r291643, everything works as expected again.
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