to...@tuxteam.de writes:
> [[PGP Signed Part:Undecided]] > On Wed, Nov 02, 2022 at 08:35:24PM +0100, Dr. Arne Babenhauserheide wrote: >> >> <to...@tuxteam.de> writes: >> > As far as I understand Vivien, interfaces come and go during the >> > server's lifetime. I.e. it's not just a "boot" thing. This seems >> > like a valid use case. >> On some servers you might actually pull out an interface during runtime >> to hotswap a new one — for example because it signaled that it is short >> of failing. > > Yes, but as Vivien explained his case, just the other side of the network > might go down. Or the dhcp server at the other side takes too long and we > don't want to block the boot. Or the sysadmin just does "ifdown eth0" > and somewhat later "ifup...". Or whatever. Expanding on “whatever”: it may be a virtual network interface. In an unshared net namespace we can move one end of a veth device into the container’s net namespace — and we can just as well move it out again or destroy it by removing its host-side counterpart. An example of this is shown here: https://guix.gnu.org/cookbook/en/html_node/Container-Networking.html -- Ricardo
