Hi, After configuring eth0 to also have an IPv6 addresses, I get martians on wlan, which configured to get address via dhcp6 only, in order to detect when/if the ISP provides it. And of course, it never gets one. Isengard:~ # iwconfig lo no wireless extensions. wlan0 IEEE 802.11 ESSID:"......." Mode:Managed Frequency:2.437 GHz Access Point: 70:8B:CD:59:88:3C Bit Rate=150 Mb/s Tx-Power=22 dBm Retry short limit:7 RTS thr:off Fragment thr:off Encryption key:off Power Management:on Link Quality=62/70 Signal level=-48 dBm Rx invalid nwid:0 Rx invalid crypt:0 Rx invalid frag:0 Tx excessive retries:0 Invalid misc:17 Missed beacon:0 eth0 no wireless extensions. Isengard:~ # ip addr 1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1000 link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00 inet 127.0.0.1/8 scope host lo valid_lft forever preferred_lft forever inet6 ::1/128 scope host valid_lft forever preferred_lft forever 2: eth0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UP group default qlen 1000 link/ether 4c:cc:6a:61:50:a1 brd ff:ff:ff:ff:ff:ff inet 192.168.1.16/24 brd 192.168.1.255 scope global eth0 valid_lft forever preferred_lft forever inet6 fc00::16/64 scope global valid_lft forever preferred_lft forever inet6 fe80::4ecc:6aff:fe61:50a1/64 scope link valid_lft forever preferred_lft forever 3: wlan0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc mq state UP group default qlen 1000 link/ether a0:d3:7a:82:b3:4c brd ff:ff:ff:ff:ff:ff inet6 fe80::a2d3:7aff:fe82:b34c/64 scope link valid_lft forever preferred_lft forever Isengard:~ # Isengard:~ # systemctl status network ● wicked.service - wicked managed network interfaces Loaded: loaded (/usr/lib/systemd/system/wicked.service; enabled; vendor preset: disabled) Active: active (exited) since Tue 2019-06-25 14:15:54 CEST; 1 months 13 days ago Process: 29081 ExecReload=/usr/sbin/wicked --systemd ifreload all (code=exited, status=0/SUCCESS) Main PID: 1232 (code=exited, status=0/SUCCESS) CPU: 56ms Jun 25 14:15:54 Isengard systemd[1]: Started wicked managed network interfaces. Aug 08 00:16:49 Isengard systemd[1]: Reloading wicked managed network interfaces. Aug 08 00:17:20 Isengard wicked[24538]: eth0 device-ready Aug 08 00:17:20 Isengard wicked[24538]: eth0 up Aug 08 00:17:20 Isengard wicked[24538]: wlan0 setup-in-progress Aug 08 00:17:20 Isengard systemd[1]: Reloaded wicked managed network interfaces. Aug 08 02:37:32 Isengard systemd[1]: Reloading wicked managed network interfaces. Aug 08 02:38:03 Isengard wicked[29081]: wlan0 device-ready Aug 08 02:38:03 Isengard wicked[29081]: wlan0 setup-in-progress Aug 08 02:38:03 Isengard systemd[1]: Reloaded wicked managed network interfaces. Isengard:~ # Why the martians? How do I stop them? <3.6> 2019-08-08T02:38:03.342398+02:00 Isengard wicked 29081 - - wlan0 device-ready <3.6> 2019-08-08T02:38:03.343768+02:00 Isengard wicked 29081 - - wlan0 setup-in-progress <3.6> 2019-08-08T02:38:03.344335+02:00 Isengard systemd 1 - - Reloaded wicked managed network interfaces. <0.4> 2019-08-08T02:42:34.133900+02:00 Isengard kernel - - - [3760166.225960] IPv4: martian source 192.168.1.255 from 192.168.1.16, on dev wlan0 <0.4> 2019-08-08T02:42:34.133934+02:00 Isengard kernel - - - [3760166.225966] ll header: 00000000: ff ff ff ff ff ff 4c cc 6a 61 50 a1 08 00 ......L.jaP... <0.4> 2019-08-08T02:42:35.977964+02:00 Isengard kernel - - - [3760168.069377] IPv4: martian source 192.168.1.255 from 192.168.1.16, on dev wlan0 <0.4> 2019-08-08T02:42:35.977996+02:00 Isengard kernel - - - [3760168.069383] ll header: 00000000: ff ff ff ff ff ff 4c cc 6a 61 50 a1 08 00 ......L.jaP... <0.4> 2019-08-08T02:42:35.978000+02:00 Isengard kernel - - - [3760168.070591] IPv4: martian source 192.168.1.255 from 192.168.1.16, on dev wlan0 <0.4> 2019-08-08T02:42:35.978003+02:00 Isengard kernel - - - [3760168.070594] ll header: 00000000: ff ff ff ff ff ff 4c cc 6a 61 50 a1 08 00 ......L.jaP... <0.4> 2019-08-08T02:42:38.129903+02:00 Isengard kernel - - - [3760170.219883] IPv4: martian source 192.168.1.255 from 192.168.1.16, on dev wlan0 <0.4> 2019-08-08T02:42:38.129933+02:00 Isengard kernel - - - [3760170.219889] ll header: 00000000: ff ff ff ff ff ff 4c cc 6a 61 50 a1 08 00 ......L.jaP... <0.4> 2019-08-08T02:42:38.129938+02:00 Isengard kernel - - - [3760170.222373] IPv4: martian source 192.168.1.255 from 192.168.1.16, on dev wlan0 <0.4> 2019-08-08T02:42:38.129941+02:00 Isengard kernel - - - [3760170.222379] ll header: 00000000: ff ff ff ff ff ff 4c cc 6a 61 50 a1 08 00 ......L.jaP... 192.168.1.16 is the same machine. 192.168.1.3 is the printer. (machine runs Leap 15.0) -- Cheers / Saludos, Carlos E. R. (from 15.0 x86_64 at Telcontar)