check babeld

[FreifunkUFO]

sometimes it looks like babeld is not running correctly. also sometimes there are no babel-interfaces

[FreifunkUFO]

root@wbm-46f2:~# tcpdump -i wbm2.13
tcpdump: verbose output suppressed, use -v or -vv for full protocol decode
listening on wbm2.13, link-type EN10MB (Ethernet), capture size 65535 bytes
21:50:18.697624 IP6 fe80::ba:14ff:fe46:f201.6696 > ff02::1:6.6696: babel 2 (372) hello router-id update/prefix update/prefix update/prefix router-id update/prefix update/prefix router-id update/prefix update/prefix update/prefix router-id update/prefix update/prefix update/prefix router-id update/prefix update/prefix update/prefix router-id update/prefix update/prefix update/prefix
21:50:18.817998 IP6 fe80::ba:14ff:fe46:8a01.6696 > ff02::1:6.6696: babel 2 (40) hello ihu ihu
21:50:20.202470 IP6 fe80::ba:14ff:fe04:4f01.6696 > ff02::1:6.6696: babel 2 (435) hello ihu ihu ihu ihu ihu router-id update/prefix update/prefix router-id update/prefix update/prefix update/prefix router-id update/prefix update/prefix update/prefix router-id update/prefix update/prefix router-id update/prefix update/prefix update/prefix router-id update/prefix update/prefix update/prefix
21:50:20.322480 IP6 fe80::ba:14ff:febc:7901.6696 > ff02::1:6.6696: babel 2 (418) hello router-id update/prefix update/prefix update/prefix router-id update/prefix update/prefix router-id update/prefix update/prefix update/prefix router-id update/prefix update/prefix update/prefix router-id update/prefix update/prefix router-id update/prefix update/prefix update/prefix router-id update/prefix update/prefix update/prefix