Re: [PATCH net-next] Add handling of NETDEV_DOWN event

[Jakub Kicinski]

On Sun, 31 Mar 2024 06:41:28 -0700 Venkat Venkatsubra wrote:
> When ethP is the parent interface of ipvlan interface ethC,
> and you do
> 
> # ip link set ethP down
> 
> ethC's link state is not brought down.
> 
> In the below example, ens5 is the host interface which is the 
> parent of the ipvlan interface eth0 in the container.
> 
> Host:
> 
> [root@gkn-podman-x64 ~]# ip link set ens5 down
> [root@gkn-podman-x64 ~]# ip -d link show dev ens5
> 3: ens5: <BROADCAST,MULTICAST> mtu 9000 qdisc mq state DOWN 
>       ...
> [root@gkn-podman-x64 ~]#
> 
> Container:
> 
> [root@testnode-ol8 /]# ip -d link show dev eth0
> 2: eth0@if3: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 9000 state UNKNOWN 
>         ...
>     ipvlan mode l2 bridge 
> [root@testnode-ol8 /]#
> 
> eth0 continues to remain UP.

No need to add a cover letter for a single patch.
Add what's relevant to the main commit message.