After update bird not announce prefixes with the same filter in config

filter AS8905_out {
        if ( source = RTS_STATIC_DEVICE && net = 91.211.216.0/22 ) then {
               bgp_community = add(bgp_community,(8905,1050));  #backup community
               bgp_origin = 0;
                bgp_path.prepend(48720);
                bgp_path.prepend(48720);
                bgp_path.prepend(48720);
                bgp_path.prepend(48720);
                accept;
        }
        if ( source = RTS_STATIC_DEVICE && net = 193.9.244.0/22 ) then {
               bgp_community = add(bgp_community,(8905,1050));  #backup community
               bgp_origin = 0;
                bgp_path.prepend(48720);
                bgp_path.prepend(48720);
                bgp_path.prepend(48720);
                bgp_path.prepend(48720);
                accept;
        }
        if ( source = RTS_STATIC_DEVICE && net = 91.142.72.0/22 ) then {
               bgp_community = add(bgp_community,(8905,1050));  #backup community
               bgp_origin = 0;
                bgp_path.prepend(48720);
                bgp_path.prepend(48720);
                bgp_path.prepend(48720);
                bgp_path.prepend(48720);
                accept;
        }
        if ( source = RTS_STATIC_DEVICE && net = 91.142.76.0/22 ) then {
               bgp_community = add(bgp_community,(8905,1050));  #backup community
               bgp_origin = 0;
                bgp_path.prepend(48720);
                bgp_path.prepend(48720);
                bgp_path.prepend(48720);
                bgp_path.prepend(48720);
                accept;
        }
  reject;
};

output for ver 1.6.4

bird> show route export bgpcifra
bird> show route preexport bgpcifra
184.0.184.0/21     via 91.211.219.10 on eth3.500 [bgpborder2 2018-07-18 11:55:54] * (100/0) [AS209?]
208.0.208.0/22     via 91.211.219.10 on eth3.500 [bgpborder2 2018-07-18 11:55:54] * (100/0) [AS26759i]
208.0.208.0/24     via 91.211.219.10 on eth3.500 [bgpborder2 2018-07-18 11:55:54] * (100/0) [AS26759i]
168.0.168.0/22     via 91.211.219.10 on eth3.500 [bgpborder2 2018-07-18 11:55:54] * (100/0) [AS265257i]
210.0.210.0/23     via 91.211.219.10 on eth3.500 [bgpborder2 2018-07-18 11:55:54] * (100/0) [AS9304i]
154.0.154.0/23     via 91.211.219.10 on eth3.500 [bgpborder2 2018-07-18 11:55:54] * (100/0) [AS36909i]
188.0.188.0/24     via 91.211.219.10 on eth3.500 [bgpborder2 2018-07-18 11:55:54] * (100/0) [AS49724i]
131.0.131.0/24     via 91.211.219.10 on eth3.500 [bgpborder2 2018-07-18 11:55:54] * (100/0) [AS52232i]
169.0.169.0/24     via 91.211.219.10 on eth3.500 [bgpborder2 2018-07-18 11:55:54] * (100/0) [AS37611i]
138.0.138.0/23     via 91.211.219.10 on eth3.500 [bgpborder2 2018-07-18 11:55:54] * (100/0) [AS264550i]
194.0.194.0/24     via 91.211.219.10 on eth3.500 [bgpborder2 2018-07-18 11:55:54] * (100/0) [AS42315i]
161.0.161.0/24     via 91.211.219.10 on eth3.500 [bgpborder2 2018-07-18 11:55:54] * (100/0) [AS262237i]
40.0.40.0/24       via 91.211.219.10 on eth3.500 [bgpborder2 2018-07-18 11:55:54] * (100/0) [AS4249i]
169.1.173.0/24     via 91.211.219.10 on eth3.500 [bgpborder2 2018-07-18 11:55:54] * (100/0) [AS37611i]
200.1.204.0/24     via 91.211.219.10 on eth3.500 [bgpborder2 2018-07-18 11:55:54] * (100/0) [AS27795i]
196.1.192.0/20     via 91.211.219.10 on eth3.500 [bgpborder2 2018-07-18 11:55:54] * (100/0) [AS15706?]
...

bird> show protocols all bgpcifra
name     proto    table    state  since       info
bgpcifra BGP      master   up     11:55:55    Established
  Description:    CIFRA1
  Router ID:      212.34.35.82
  Preference:     100
  Input filter:   AS8905_in
  Output filter:  AS8905_out
  Routes:         0 imported, 0 exported, 0 preferred
  Route change stats:     received   rejected filtered    ignored   accepted
    Import updates:        1415686          0 1415686          0          0
    Import withdraws:          102          0 ---    1415788          0
    Export updates:        1415361          0 1415361        ---          0
    Export withdraws:           84        --- ---        ---     707172
  BGP state:          Established
    Neighbor address: 212.34.35.81
    Neighbor AS:      8905
    Neighbor ID:      10.0.4.10
    Neighbor caps:    refresh restart-aware AS4
    Session:          external AS4
    Source address:   212.34.35.82
    Hold timer:       81/90
    Keepalive timer:  3/60

output for ver 1.6.3

# birdc
BIRD 1.6.3 ready.
bird> show route export bgpcifra
193.9.244.0/22     dev lo [static1 2018-07-18 12:03:25] * (254)
91.142.72.0/22     dev lo [static1 2018-07-18 12:03:25] * (254)
91.142.76.0/22     dev lo [static1 2018-07-18 12:03:25] * (254)
91.211.216.0/22    dev lo [static1 2018-07-18 12:03:25] * (254)
bird> show route preexport bgpcifra count
707133 of 1411221 routes for 709431 networks
bird> show route export bgpcifra count
4 of 1411220 routes for 709430 networks

bird> show protocol all bgpcifra
name     proto    table    state  since       info
bgpcifra BGP      master   up     12:03:29    Established
  Description:    CIFRA1
  Router ID:      212.34.35.82
  Preference:     100
  Input filter:   AS8905_in
  Output filter:  AS8905_out
  Routes:         704077 imported, 4 exported, 4599 preferred
  Route change stats:     received   rejected   filtered    ignored   accepted
    Import updates:         729703          0       3254          0     726449
    Import withdraws:          657          0        ---       3265        646
    Export updates:        1187031     460231     726796        ---          4
    Export withdraws:          589        ---        ---        ---          0
  BGP state:          Established
    Neighbor address: 212.34.35.81
    Neighbor AS:      8905
    Neighbor ID:      10.0.4.10
    Neighbor caps:    refresh restart-aware AS4
    Session:          external AS4
    Source address:   212.34.35.82
    Hold timer:       74/90
    Keepalive timer:  10/60

bird>

Vladislav Grishin