netstat -sl re0

tcp:
        7461353 packets sent
                5454627 data packets (7696969997 bytes)
                58068 data packets (77518927 bytes) retransmitted
                305 data packets unnecessarily retransmitted
                10 resends initiated by MTU discovery
                1890524 ack-only packets (73578 delayed)
                0 URG only packets
                39 window probe packets
                48946 window update packets
                9156 control packets
        6195577 packets received
                2069455 acks (for 7695519831 bytes)
                370322 duplicate acks
                0 acks for unsent data
                3589284 packets (4868809697 bytes) received in-sequence
                38994 completely duplicate packets (17826560 bytes)
                9492 old duplicate packets
                562 packets with some dup. data (273891 bytes duped)
                207117 out-of-order packets (209878008 bytes)
                187 packets (187 bytes) of data after window
                187 window probes
                32529 window update packets
                264 packets received after close
                0 discarded for bad checksums
                0 discarded for bad header offset fields
                0 discarded because packet too short
                13 discarded due to memory problems
        5508 connection requests
        1093 connection accepts
        0 bad connection attempts
        0 listen queue overflows
        20 ignored RSTs in the windows
        3959 connections established (including accepts)
        6494 connections closed (including 235 drops)
                643 connections updated cached RTT on close
                668 connections updated cached RTT variance on close
                256 connections updated cached ssthresh on close
        230 embryonic connections dropped
        716536 segments updated rtt (of 622334 attempts)
        7030 retransmit timeouts
                36 connections dropped by rexmit timeout
        49 persist timeouts
                0 connections dropped by persist timeout
        0 Connections (fin_wait_2) dropped because of timeout
        10 keepalive timeouts
                0 keepalive probes sent
                10 connections dropped by keepalive
        1047345 correct ACK header predictions
        3322240 correct data packet header predictions
        1185 syncache entries added
                110 retransmitted
                15 dupsyn
                0 dropped
                1093 completed
                0 bucket overflow
                0 cache overflow
                60 reset
                34 stale
                0 aborted
                0 badack
                0 unreach
                0 zone failures
        1185 cookies sent
        2 cookies received
        246 hostcache entries added
                0 bucket overflow
        16101 SACK recovery episodes
        41206 segment rexmits in SACK recovery episodes
        55995886 byte rexmits in SACK recovery episodes
        248091 SACK options (SACK blocks) received
        442887 SACK options (SACK blocks) sent
        0 SACK scoreboard overflow
        0 packets with ECN CE bit set
        0 packets with ECN ECT(0) bit set
        0 packets with ECN ECT(1) bit set
        0 successful ECN handshakes
        0 times ECN reduced the congestion window
udp:
        2972275 datagrams received
        0 with incomplete header
        0 with bad data length field
        0 with bad checksum
        238 with no checksum
        4880 dropped due to no socket
        2708 broadcast/multicast datagrams undelivered
        139828 dropped due to full socket buffers
        0 not for hashed pcb
        2824859 delivered
        3209643 datagrams output
        0 times multicast source filter matched
ip:
        9168544 total packets received
        0 bad header checksums
        0 with size smaller than minimum
        0 with data size < data length
        0 with ip length > max ip packet size
        0 with header length < data size
        0 with data length < header length
        0 with bad options
        0 with incorrect version number
        0 fragments received
        0 fragments dropped (dup or out of space)
        0 fragments dropped after timeout
        0 packets reassembled ok
        9167833 packets for this host
        700 packets for unknown/unsupported protocol
        0 packets forwarded (0 packets fast forwarded)
        0 packets not forwardable
        0 packets received for unknown multicast group
        0 redirects sent
        10684017 packets sent from this host
        0 packets sent with fabricated ip header
        0 output packets dropped due to no bufs, etc.
        7 output packets discarded due to no route
        0 output datagrams fragmented
        0 fragments created
        0 datagrams that can't be fragmented
        0 tunneling packets that can't find gif
        0 datagrams with bad address in header
icmp:
        4880 calls to icmp_error
        0 errors not generated in response to an icmp message
        Output histogram:
                destination unreachable: 4880
        0 messages with bad code fields
        0 messages less than the minimum length
        0 messages with bad checksum
        0 messages with bad length
        0 multicast echo requests ignored
        0 multicast timestamp requests ignored
        Input histogram:
                echo reply: 17
                destination unreachable: 697
                time exceeded: 5
        0 message responses generated
        0 invalid return addresses
        0 no return routes
igmp:
        0 messages received
        0 messages received with too few bytes
        0 messages received with wrong TTL
        0 messages received with bad checksum
        0 V1/V2 membership queries received
        0 V3 membership queries received
        0 membership queries received with invalid field(s)
        0 general queries received
        0 group queries received
        0 group-source queries received
        0 group-source queries dropped
        0 membership reports received
        0 membership reports received with invalid field(s)
        0 membership reports received for groups to which we belong
        0 V3 reports received without Router Alert
        0 membership reports sent
pfsync:
        0 packets received (IPv4)
        0 packets received (IPv6)
            0 clear all requests received
            0 state inserts received
            0 state inserted acks received
            0 state updates received
            0 compressed state updates received
            0 uncompressed state requests received
            0 state deletes received
            0 compressed state deletes received
            0 fragment inserts received
            0 fragment deletes received
            0 bulk update marks received
            0 TDB replay counter updates received
            0 end of frame marks received
                0 packets discarded for bad interface
                0 packets discarded for bad ttl
                0 packets shorter than header
                0 packets discarded for bad version
                0 packets discarded for bad HMAC
                0 packets discarded for bad action
                0 packets discarded for short packet
                0 states discarded for bad values
                0 stale states
                0 failed state lookup/inserts
        0 packets sent (IPv4)
        0 packets sent (IPv6)
            1 clear all request sent
            0 state inserts sent
            0 state inserted acks sent
            0 state updates sent
            0 compressed state updates sent
            0 uncompressed state requests sent
            0 state deletes sent
            0 compressed state deletes sent
            0 fragment inserts sent
            0 fragment deletes sent
            0 bulk update marks sent
            0 TDB replay counter updates sent
            1 end of frame mark sent
                0 failures due to mbuf memory error
                0 send errors
arp:
        27 ARP requests sent
        540 ARP replies sent
        1477 ARP requests received
        0 ARP replies received
        1477 ARP packets received
        24 total packets dropped due to no ARP entry
        11 ARP entrys timed out
        0 Duplicate IPs seen

ip6:
        38 total packets received
        0 with size smaller than minimum
        0 with data size < data length
        0 with bad options
        0 with incorrect version number
        0 fragments received
        0 fragments dropped (dup or out of space)
        0 fragments dropped after timeout
        0 fragments that exceeded limit
        0 packets reassembled ok
        38 packets for this host
        0 packets forwarded
        0 packets not forwardable
        0 redirects sent
        47 packets sent from this host
        0 packets sent with fabricated ip header
        0 output packets dropped due to no bufs, etc.
        1 output packet discarded due to no route
        0 output datagrams fragmented
        0 fragments created
        0 datagrams that can't be fragmented
        0 packets that violated scope rules
        0 multicast packets which we don't join
        Input histogram:
                TCP: 38
        Mbuf statistics:
                38 one mbuf
                2 one ext mbuf
                0 two or more ext mbuf
        0 packets whose headers are not contiguous
        0 tunneling packets that can't find gif
        0 packets discarded because of too many headers
        19 failures of source address selection
        source addresses on a non-outgoing I/F
                19 addresses scope=f
        Source addresses selection rule applied:
                19 same address
icmp6:
        0 calls to icmp6_error
        0 errors not generated in response to an icmp6 message
        0 errors not generated because of rate limitation
        Output histogram:
                neighbor solicitation: 2
        0 messages with bad code fields
        0 messages < minimum length
        0 bad checksums
        0 messages with bad length
        Histogram of error messages to be generated:
                0 no route
                0 administratively prohibited
                0 beyond scope
                0 address unreachable
                0 port unreachable
                0 packet too big
                0 time exceed transit
                0 time exceed reassembly
                0 erroneous header field
                0 unrecognized next header
                0 unrecognized option
                0 redirect
                0 unknown
        0 message responses generated
        0 messages with too many ND options
        0 messages with bad ND options
        0 bad neighbor solicitation messages
        0 bad neighbor advertisement messages
        0 bad router solicitation messages
        0 bad router advertisement messages
        0 bad redirect messages
        0 path MTU changes
rip6:
        0 messages received
        0 checksum calculations on inbound
        0 messages with bad checksum
        0 messages dropped due to no socket
        0 multicast messages dropped due to no socket
        0 messages dropped due to full socket buffers
        0 delivered
        0 datagrams output