Given it another shot with today’s HBD automated build but still no luck with PPPoE connectivity 
turris pppd[20344]: RP-PPPoE plugin version 3.8p compiled against pppd 2.4.7
turris pppd[20344]: pppd 2.4.7 started by root, uid 0
turris pppd[20344]: Timeout waiting for PADO packets
turris pppd[20344]: Unable to complete PPPoE Discovery
turris pppd[20344]: Exit.
Without inet connectivity the Foris wizard crashes at some point.
Some other observations
leak
Summary
mv88e6085 f1072004.mdio-mii:10: switch 0x1760 detected: Marvell 88E6176, revision 1
libphy: mv88e6xxx SMI: probed
------------[ cut here ]------------
WARNING: CPU: 0 PID: 1 at fs/proc/generic.c:572 remove_proc_entry+0x140/0x154
remove_proc_entry: removing non-empty directory ‘irq/58’, leaking at least ‘mv88e6xxx-g2’
Modules linked in:
CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.14.90 #0
Hardware name: Marvell Armada 380/385 (Device Tree)
[] (unwind_backtrace) from [] (show_stack+0x10/0x14)
[] (show_stack) from [] (dump_stack+0x88/0x9c)
[] (dump_stack) from [] (__warn+0xe4/0x100)
[] (__warn) from [] (warn_slowpath_fmt+0x38/0x48)
[] (warn_slowpath_fmt) from [] (remove_proc_entry+0x140/0x154)
[] (remove_proc_entry) from [] (unregister_irq_proc+0xcc/0xe8)
[] (unregister_irq_proc) from [] (free_desc+0x2c/0x54)
[] (free_desc) from [] (irq_free_descs+0x40/0x74)
[] (irq_free_descs) from [] (mv88e6xxx_g1_irq_free_common+0x4c/0x74)
[] (mv88e6xxx_g1_irq_free_common) from [] (mv88e6xxx_irq_poll_free+0x2c/0x38)
[] (mv88e6xxx_irq_poll_free) from [] (mv88e6xxx_probe+0x318/0x344)
[] (mv88e6xxx_probe) from [] (really_probe+0x114/0x274)
[] (really_probe) from [] (bus_for_each_drv+0x44/0x98)
[] (bus_for_each_drv) from [] (__device_attach+0x78/0xe0)
[] (__device_attach) from [] (bus_probe_device+0x28/0x88)
[] (bus_probe_device) from [] (device_add+0x3d0/0x5b4)
[] (device_add) from [] (mdio_device_register+0x1c/0x44)
[] (mdio_device_register) from [] (of_mdiobus_register+0x168/0x2b4)
[] (of_mdiobus_register) from [] (orion_mdio_probe+0x204/0x2e8)
[] (orion_mdio_probe) from [] (platform_drv_probe+0x34/0x70)
[] (platform_drv_probe) from [] (really_probe+0x114/0x274)
[] (really_probe) from [] (__driver_attach+0x8c/0xb0)
[] (__driver_attach) from [] (bus_for_each_dev+0x4c/0xa0)
[] (bus_for_each_dev) from [] (bus_add_driver+0xe8/0x200)
[] (bus_add_driver) from [] (driver_register+0xa8/0xe4)
[] (driver_register) from [] (do_one_initcall+0xc0/0x184)
[] (do_one_initcall) from [] (kernel_init_freeable+0x1c0/0x254)
[] (kernel_init_freeable) from [] (kernel_init+0x8/0x114)
[] (kernel_init) from [] (ret_from_fork+0x14/0x2c)
—[ end trace 8987b9cf2ea8acbd ]—
some weird watchdog stuff
Summary
watchdog: watchdog0: nowayout prevents watchdog being stopped!
watchdog: watchdog0: watchdog did not stop!
watchdog: watchdog0: nowayout prevents watchdog being stopped!
watchdog: watchdog0: watchdog did not stop!
and then some
(NULL device *): hwmon_device_register() is deprecated. Please convert the driver to use hwmon_device_register_with_info().
bridge: filtering via arp/ip/ip6tables is no longer available by default. Update your scripts to load br_netfilter if you need this.
urandom-seed: Seed file not found (/etc/urandom.seed)