nodeos on 1.7.3 stops syncing on Jungle network

[benjamintshi]

Hi,
my nodeos with 1.7.3 suddenly stopped synchronizing and I dont't see any error.

get info

{
    "server_version": "448287d5",
    "chain_id": "e70aaab8997e1dfce58fbfac80cbbb8fecec7b99cf982a9444273cbc64c41473",
    "head_block_num": 27778814,
    "last_irreversible_block_num": 27778480,
    "last_irreversible_block_id": "01a7ddb0ee5795b0bb65f375ac4fba3ae5b2717433ab0736387fafddc4acdd35",
    "head_block_id": "01a7defe075b55611f14043b5bd9254840c2a2a72a7c9c920de0f050b2778a79",
    "head_block_time": "2019-05-09T11:00:23.500",
    "head_block_producer": "alohaeostest",
    "virtual_block_cpu_limit": 200000000,
    "virtual_block_net_limit": 524288000,
    "block_cpu_limit": 200000,
    "block_net_limit": 524288,
    "server_version_string": "v1.7.3"
}

config.ini

blocks-dir = "/home/soft/JungleTestnet-invaultser22/blocks"

	    http-server-address = 10.200.4.51:8888
	    p2p-listen-endpoint = 10.200.4.51:9876
	    p2p-server-address = 10.200.4.51:9876
	    access-control-allow-origin = *

	    http-validate-host = false
	    verbose-http-errors = true
	    abi-serializer-max-time-ms = 2000
	    wasm-runtime = wabt

	  


	    

	    allowed-connection = any

	    p2p-max-nodes-per-host = 150

	    max-clients = 120
	    connection-cleanup-period = 30
	    network-version-match = 0
	    sync-fetch-span = 2000
	    enable-stale-production = false
	    
    	chain-state-db-guard-size-mb = 128 
    	reversible-blocks-db-guard-size-mb = 2

	    chain-state-db-size-mb = 16384
	    reversible-blocks-db-size-mb = 1048
	    contracts-console = true

	    mongodb-queue-size = 256


	    plugin = eosio::producer_plugin
	    plugin = eosio::chain_api_plugin
	    plugin = eosio::history_plugin
	    plugin = eosio::history_api_plugin
	    plugin = eosio::chain_plugin


	    agent-name = invaultser22

	    

	    plugin = eosio::producer_plugin

	    signature-provider = EOS8eDRyRPSvkuSvAnicwTAbw9Y1o2DdhVy6eK6FMUX4dFBbyqdVd=KEY:!! INSERT HERE PRIVATE KEY TO THIS PUBLIC ADDRESS !!
	    producer-name = invaultser22
	    

     	    p2p-peer-address = jungle2.cryptolions.io:9876                                 
    p2p-peer-address = jungle2.cryptolions.io:19876
    p2p-peer-address = jungle-p2p.eosio.cr:2086
    p2p-peer-address = peer.jungle.alohaeos.com:9876
    p2p-peer-address = 145.239.133.201:9876
    p2p-peer-address = 35.237.40.93:8888
    p2p-peer-address = jungle.eosgen.io:9876
    p2p-peer-address = 51.15.224.168:9876
    p2p-peer-address = jungle2.eosdac.io:9872
    p2p-peer-address = eos.eosza.io:9876

exception

warn  2019-05-20T11:57:33.401 thread-0  controller.cpp:1303           push_block           ] 3030000 block_validate_exception: Block exception
no supported extensions
    {}
    thread-1  block_header_state.cpp:146 next
error 2019-05-20T11:57:33.401 thread-0  producer_plugin.cpp:324       on_incoming_block    ] 3030000 block_validate_exception: Block exception
no supported extensions
    {}
    thread-1  block_header_state.cpp:146 next
rethrow
    {}
    thread-0  controller.cpp:1303 push_block
info  2019-05-20T11:57:33.401 thread-0  net_plugin.cpp:2532           handle_message       ] ["145.239.133.201:9876 - 0f38a15" 145.239.133.201:9876]received signed_block : #27778816 block age in secs = 953828
error 2019-05-20T11:57:33.402 thread-0  net_plugin.cpp:2539           handle_message       ] ["145.239.133.201:9876 - 0f38a15" 145.239.133.201:9876]bad signed_block : Unlinkable block
info  2019-05-20T11:57:33.402 thread-0  net_plugin.cpp:1525           rejected_block       ] block 27778816 not accepted from 145.239.133.201:9876 - 0f38a15
info  2019-05-20T11:57:33.685 thread-0  net_plugin.cpp:2364           handle_message       ] ["peer.jungle.alohaeos.com:9876 - 07bb706" 147.135.36.125:9876]received notice_message
info  2019-05-20T11:57:33.685 thread-0  net_plugin.cpp:1503           recv_notice          ] sync_manager got last irreversible block notice
info  2019-05-20T11:57:33.685 thread-0  net_plugin.cpp:1385           start_sync           ] Catching up with chain, our last req is 0, theirs is 29633179 peer peer.jungle.alohaeos.com:9876 - 07bb706
info  2019-05-20T11:57:33.686 thread-0  net_plugin.cpp:1350           request_next_chunk   ] requesting range 27778481 to 27780480, from peer.jungle.alohaeos.com:9876 - 07bb706
info  2019-05-20T11:57:34.822 thread-0  net_plugin.cpp:2532           handle_message       ] ["peer.jungle.alohaeos.com:9876 - 07bb706" 147.135.36.125:9876]received signed_block : #27778815 block age in secs = 953830
warn  2019-05-20T11:57:34.823 thread-0  controller.cpp:1303           push_block           ] 3030000 block_validate_exception: Block exception
no supported extensions
    {}
    thread-2  block_header_state.cpp:146 next
error 2019-05-20T11:57:34.823 thread-0  producer_plugin.cpp:324       on_incoming_block    ] 3030000 block_validate_exception: Block exception
no supported extensions
    {}
    thread-2  block_header_state.cpp:146 next
rethrow
    {}
    thread-0  controller.cpp:1303 push_block
info  2019-05-20T11:57:34.823 thread-0  net_plugin.cpp:2532           handle_message       ] ["peer.jungle.alohaeos.com:9876 - 07bb706" 147.135.36.125:9876]received signed_block : #27778816 block age in secs = 953830
error 2019-05-20T11:57:34.824 thread-0  net_plugin.cpp:2539           handle_message       ] ["peer.jungle.alohaeos.com:9876 - 07bb706" 147.135.36.125:9876]bad signed_block : Unlinkable block
info  2019-05-20T11:57:34.824 thread-0  net_plugin.cpp:1525           rejected_block       ] block 27778816 not accepted from peer.jungle.alohaeos.com:9876 - 07bb706