On 7/9/2021 11:33 AM, Norman and Audrey Henderson wrote:
>  HELP!
> I have a system in the cloud that was running Ubuntu 16.04 and ifupdown.
> One interface eth0 with two addresses, 0.38.15.82 and 0.38.15.83/29.
> 
> After the reboot shorewall will not start:
> Adding Providers...
>    ERROR: Interface eth0 is not usable -- Provider internet (1) Cannot be
> Started
> 
> However:
> # ifconfig eth0
> eth0: flags=4163<UP,BROADCAST,RUNNING,MULTICAST>  mtu 1500
>         inet 0.38.15.82  netmask 255.255.255.248  broadcast 0.38.15.87
>         inet6 fe80::a00:27ff:fee8:8e43  prefixlen 64  scopeid 0x20<link>
>         ether 08:00:27:e8:8e:43  txqueuelen 1000  (Ethernet)
>         RX packets 7003  bytes 724233 (724.2 KB)
>         RX errors 0  dropped 0  overruns 0  frame 0
>         TX packets 4856  bytes 774651 (774.6 KB)
>         TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0
> # ip addr show dev eth0
> 2: eth0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc fq_codel state UP
> group default qlen 1000
>     link/ether 08:00:27:e8:8e:43 brd ff:ff:ff:ff:ff:ff
>     inet 0.38.15.82/29 brd 0.38.15.87 scope global eth0
>        valid_lft forever preferred_lft forever
>     inet 0.38.15.83/29 brd 0.38.15.87 scope global secondary eth0
>        valid_lft forever preferred_lft forever
>     inet6 fe80::a00:27ff:fee8:8e43/64 scope link
>        valid_lft forever preferred_lft forever
> # ip link show dev eth0
> 2: eth0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc fq_codel state UP
> mode DEFAULT group default qlen 1000
>     link/ether 08:00:27:e8:8e:43 brd ff:ff:ff:ff:ff:ff
> # systemctl status systemd-networkd
> ● systemd-networkd.service - Network Service
>    Loaded: loaded (/lib/systemd/system/systemd-networkd.service;
> enabled-runtime; vendor preset: enabled)
>    Active: active (running) since Fri 2021-07-09 09:28:34 UTC; 3s ago
>      Docs: man:systemd-networkd.service(8)
>  Main PID: 6268 (systemd-network)
>    Status: "Processing requests..."
>     Tasks: 1 (limit: 1108)
>    CGroup: /system.slice/systemd-networkd.service
>            └─6268 /lib/systemd/systemd-networkd
> 
> Jul 09 09:28:34 VM-CEML systemd-networkd[6268]: eth0: Gained IPv6LL
> Jul 09 09:28:34 VM-CEML systemd-networkd[6268]: Enumeration completed
> Jul 09 09:28:34 VM-CEML systemd[1]: Started Network Service.
> Jul 09 09:28:34 VM-CEML systemd-networkd[6268]: eth0: IPv6 successfully
> enabled
> Jul 09 09:28:34 VM-CEML systemd-networkd[6268]: tun9: Link is not managed
> by us
> Jul 09 09:28:34 VM-CEML systemd-networkd[6268]: tun0: Link is not managed
> by us
> Jul 09 09:28:34 VM-CEML systemd-networkd[6268]: tun4: Link is not managed
> by us
> Jul 09 09:28:34 VM-CEML systemd-networkd[6268]: lo: Link is not managed by
> us
> Jul 09 09:28:34 VM-CEML systemd-networkd[6268]: tun6: Link is not managed
> by us
> Jul 09 09:28:34 VM-CEML systemd-networkd[6268]: eth0: Configured
> 
> # ip route
> default via 0.38.15.81 dev eth0 proto static
> 
> Due to stoppedrules, I can ssh to the system and even some of the openvpn
> tunnels are up. Why does shorewall think that eth0 is not usable and how to
> fix?
> 
> # cat interfaces
> ?FORMAT 2
> #ZONE INTERFACE [BROADCAST] OPTIONS
> Dirty   eth0    routeback #,routefilter=1
> 
> Not sure what other config is relevant but let me know... And this when I
> am supposed to be on holiday... ;}
> 

TLDR.

Is SW started after systemd-networkd?

Is 'optional' in 'interfaces' helping?

-- 
Matt Darfeuille <m...@shorewall.org>
Community: https://sourceforge.net/p/shorewall/mailman/message/37107049/
SPC: https://sourceforge.net/p/shorewall/mailman/message/36596609/
Homepage: https://shorewall.org


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