Created attachment 104592 [details]
quick segfault fix

Backtrace:
Program terminated with signal SIGSEGV, Segmentation fault
#0  0x00007ffff70b439d in ether_aton_r () from /lib64/libc.so.6
(gdb) bt
#0  0x00007ffff70b439d in ether_aton_r () from /lib64/libc.so.6
#1  0x00005555555758fc in link_config_get (ctx=0x5555555beb00, device=0x5555555dd7b0, ret=0x7fffffff8868) at /var/tmp/portage/sys-fs/udev-215-r1/work/systemd-215/src/udev/net/link-config.c:254
#2  0x000055555557213a in builtin_net_setup_link (dev=0x5555555dd7b0, argc=1, argv=0x7fffffff88c0, test=false) at /var/tmp/portage/sys-fs/udev-215-r1/work/systemd-215/src/udev/udev-builtin-net_setup_link.c:43
#3  0x000055555556ed59 in udev_builtin_run (dev=0x5555555dd7b0, cmd=UDEV_BUILTIN_NET_LINK, command=0x7fffffff96d0 "net_setup_link", test=false) at /var/tmp/portage/sys-fs/udev-215-r1/work/systemd-215/src/udev/udev-builtin.c:137
#4  0x000055555556bc67 in udev_rules_apply_to_event (rules=0x5555555beba0, event=0x5555555d0710, sigmask=0x5555555bd1c0 <sigmask_orig>) at /var/tmp/portage/sys-fs/udev-215-r1/work/systemd-215/src/udev/udev-rules.c:2108
#5  0x0000555555564279 in udev_event_execute_rules (event=0x5555555d0710, rules=0x5555555beba0, sigmask=0x5555555bd1c0 <sigmask_orig>) at /var/tmp/portage/sys-fs/udev-215-r1/work/systemd-215/src/udev/udev-event.c:811
#6  0x000055555555e1f9 in worker_new (event=0x5555555ddfd0) at /var/tmp/portage/sys-fs/udev-215-r1/work/systemd-215/src/udev/udevd.c:316
#7  0x000055555555e8a9 in event_run (event=0x5555555ddfd0) at /var/tmp/portage/sys-fs/udev-215-r1/work/systemd-215/src/udev/udevd.c:451
#8  0x000055555555edc3 in event_queue_start (udev=0x5555555be010) at /var/tmp/portage/sys-fs/udev-215-r1/work/systemd-215/src/udev/udevd.c:592
#9  0x0000555555561988 in main (argc=2, argv=0x7fffffffe118) at /var/tmp/portage/sys-fs/udev-215-r1/work/systemd-215/src/udev/udevd.c:1481

In my case this happens when network adapter of dvb card (dvb_net).
Attached patch fix my problem