Difficult debugging problem

Ok I actually tried running it on the instance itself (via SSH) rather than using bash IN the container:

Ip:
    Forwarding: 1
    416024035 total packets received
    2 with invalid addresses
    415262118 forwarded
    0 incoming packets discarded
    761912 incoming packets delivered
    416003450 requests sent out
    390 outgoing packets dropped
    1 dropped because of missing route
Icmp:
    22 ICMP messages received
    3 input ICMP message failed
    ICMP input histogram:
        destination unreachable: 10
        echo requests: 11
        echo replies: 1
    11 ICMP messages sent
    0 ICMP messages failed
    ICMP output histogram:
        echo replies: 11
IcmpMsg:
        InType0: 1
        InType3: 10
        InType8: 11
        OutType0: 11
Tcp:
    48909 active connection openings
    16003 passive connection openings
    41 failed connection attempts
    8270 connection resets received
    15 connections established
    761425 segments received
    840810 segments sent out
    225 segments retransmitted
    0 bad segments received
    2994 resets sent
Udp:
    467 packets received
    0 packets to unknown port received
    0 packet receive errors
    470 packets sent
    0 receive buffer errors
    0 send buffer errors
UdpLite:
TcpExt:
    33 resets received for embryonic SYN_RECV sockets
    2 packets pruned from receive queue because of socket buffer overrun
    9925 TCP sockets finished time wait in fast timer
    31097 delayed acks sent
    2 delayed acks further delayed because of locked socket
    Quick ack mode was activated 3 times
    272044 packet headers predicted
    160323 acknowledgments not containing data payload received
    101516 predicted acknowledgments
    TCPSackRecovery: 7
    Detected reordering 321 times using SACK
    1 congestion windows recovered without slow start after partial ack
    22 fast retransmits
    TCPTimeouts: 66
    TCPLossProbes: 147
    TCPDSACKOldSent: 3
    TCPDSACKRecv: 152
    9 connections reset due to unexpected data
    5 connections reset due to early user close
    TCPDSACKIgnoredNoUndo: 139
    TCPSackMerged: 7
    TCPSackShiftFallback: 302
    TCPRcvCoalesce: 70011
    TCPOFOQueue: 566
    TCPAutoCorking: 9
    TCPFromZeroWindowAdv: 1713
    TCPToZeroWindowAdv: 1713
    TCPWantZeroWindowAdv: 1078
    TCPSynRetrans: 56
    TCPOrigDataSent: 395019
    TCPHystartTrainDetect: 2
    TCPHystartTrainCwnd: 654
    TCPKeepAlive: 6156
IpExt:
    InMcastPkts: 6
    OutMcastPkts: 10
    InOctets: 359183513039
    OutOctets: 717144072828
    InMcastOctets: 570
    OutMcastOctets: 730
    InNoECTPkts: 479288616
    InECT0Pkts: 1