bird 2.0.10 crashes with SIGABRT

I observe bird crashes and it seems to be related on changes in bgp/route installation. Running it under supervisor-daemon and enabling debug all all logs the following messages before crashing with SIGABRT:

Dec  2 00:05:59 router daemon.debug bird: kernel4: 68.212.22.0/23: installing
Dec  2 00:05:59 router daemon.debug bird: kernel4: 95.128.191.0/24: installing
Dec  2 00:05:59 router daemon.debug bird: kernel4: 72.108.180.0/22: installing
Dec  2 00:05:59 router daemon.debug bird: kernel4: 98.172.0.0/20: installing
Dec  2 00:05:59 router daemon.debug bird: kernel4: 104.200.214.0/23: installing
Dec  2 00:05:59 router daemon.debug bird: kernel4: 103.8.34.0/24: installing
Dec  2 00:05:59 router daemon.debug bird: kernel4: 144.172.91.0/24: installing
Dec  2 00:05:59 router daemon.warn supervise-daemon[17881]: /usr/sbin/bird, pid 18051, terminated by signal 6

Cc !41921 (closed)

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