Backtrace:
Apr 26 18:05:26 router bird[751]: Netlink: Invalid argument
Apr 26 18:05:26 router bird[751]: Netlink: Invalid argument
Apr 26 18:05:26 router bird[751]: ...
Apr 27 02:09:23 router bird[751]: AS4200220008: Error: Hold timer expired
Apr 27 02:10:59 router bird[751]: AS4200220008: Error: Hold timer expired
Apr 27 13:14:03 router bird[751]: Assertion '!rejected || !accepted'
failed at nest/rt-table.c:1192
Apr 27 13:14:03 router systemd-coredump[1345547]: [🡕] Process 751
(bird) of user 967 dumped core.
                                                 Stack trace of thread
824:
                                                 #0 0x0000777b9f380624
n/a (libc.so.6 + 0x97624)
                                                 #1 0x0000777b9f326ba0
raise (libc.so.6 + 0x3dba0)
                                                 #2 0x0000777b9f30e582
abort (libc.so.6 + 0x25582)
                                                 #3 0x000065083a2cb01f
n/a (/usr/bin/bird + 0xe001f)
                                                 #4 0x000065083a248712
n/a (/usr/bin/bird + 0x5d712)
                                                 #5 0x000065083a249117
n/a (/usr/bin/bird + 0x5e117)
                                                 #6 0x000065083a21d0cf
n/a (/usr/bin/bird + 0x320cf)
                                                 #7 0x000065083a2cf838
n/a (/usr/bin/bird + 0xe4838)
                                                 #8 0x000065083a21d0cf
n/a (/usr/bin/bird + 0x320cf)
                                                 #9 0x000065083a2d1ee7
n/a (/usr/bin/bird + 0xe6ee7)
                                                 #10
0x0000777b9f37e708 n/a (libc.so.6 + 0x95708)
                                                 #11
0x0000777b9f402aac n/a (libc.so.6 + 0x119aac)
                                                 Stack trace of thread
751:
                                                 #0 0x0000777b9f386be2
n/a (libc.so.6 + 0x9dbe2)
                                                 #1 0x0000777b9f37ae33
n/a (libc.so.6 + 0x91e33)
                                                 #2 0x0000777b9f37ae74
n/a (libc.so.6 + 0x91e74)
                                                 #3 0x0000777b9f3f553e
__poll (libc.so.6 + 0x10c53e)
                                                 #4 0x000065083a1f1a14
n/a (/usr/bin/bird + 0x6a14)
                                                 #5 0x0000777b9f310488
n/a (libc.so.6 + 0x27488)
                                                 #6 0x0000777b9f31054c
__libc_start_main (libc.so.6 + 0x2754c)
                                                 #7 0x000065083a1f2565
n/a (/usr/bin/bird + 0x7565)
                                                 Stack trace of thread
826:
                                                 #0 0x0000777b9f386be2
n/a (libc.so.6 + 0x9dbe2)
                                                 #1 0x0000777b9f37ae33
n/a (libc.so.6 + 0x91e33)
                                                 #2 0x0000777b9f37ae74
n/a (libc.so.6 + 0x91e74)
                                                 #3 0x0000777b9f3f553e
__poll (libc.so.6 + 0x10c53e)
                                                 #4 0x000065083a2d2020
n/a (/usr/bin/bird + 0xe7020)
                                                 #5 0x0000777b9f37e708
n/a (libc.so.6 + 0x95708)
                                                 #6 0x0000777b9f402aac
n/a (libc.so.6 + 0x119aac)
                                                 ELF object binary
architecture: AMD x86-64
Apr 27 13:14:03 router systemd[1]: bird.service: Main process exited,
code=dumped, status=6/ABRT
Apr 27 13:14:03 router systemd[1]: bird.service: Failed with result
'core-dump'.
Apr 27 13:14:03 router systemd[1]: bird.service: Consumed 3min 7.732s
CPU time, 6.1M memory peak.
Version: 3.1.0