gobgp route is not deleted when it is updated to a loopped as path that is rejected by neighbor.

[caili1981]

version

gobgp version 2.34.0

TOPO

R1(65002) <-> R2(65531, allowOwnAs=0)

step to reproduce

1. at R1

   gobgp g r a 1.1.1.1/32 aspath 65555,1,2,3

2. at R1

   gobgp g r a 1.1.1.1/32 aspath 65531,1,2,3

3. at R2

   gobgp g r 1.1.1.1/32 
   Network              Next Hop             AS_PATH              Age        Source_AS/Source_id       Attrs
   *> 1.1.1.1/32           169.254.101.1        65002 65555 1 2 3    01:25:46   65002/172.16.0.2          [{Origin: ?}