<div dir="ltr"> <br> <br> Hi all,<br><br>I'm using ovs with bonding interface. All interface is using mtu 1500.<br>But in ovs-vswitchd.log i saw some log about "Message too long". I cannot use ovs-tcpdump to trace message. Any one used face this problem can tell my what is problem. I have some info follow this.<br><br>less /var/log/openvswitch/ovs-vswitchd.log<br>2020-10-16T10:26:34.876Z|5804855|dpif_netdev|ERR|error receiving data from bond0: Message too long<br>2020-10-16T10:26:34.883Z|5804856|dpif_netdev|ERR|error receiving data from bond0: Message too long<br>2020-10-16T10:26:34.888Z|5804857|dpif_netdev|ERR|error receiving data from bond0: Message too long<br>2020-10-16T10:26:34.888Z|5804858|dpif_netdev|ERR|error receiving data from bond0: Message too long<br>2020-10-16T10:26:34.888Z|5804859|dpif_netdev|ERR|error receiving data from bond0: Message too long<br>2020-10-16T10:26:34.936Z|5804860|dpif_netdev|ERR|error receiving data from bond0: Message too long<br>2020-10-16T10:26:34.936Z|5804861|dpif_netdev|ERR|error receiving data from bond0: Message too long<br>2020-10-16T10:26:34.936Z|5804862|dpif_netdev|ERR|error receiving data from bond0: Message too long<br>2020-10-16T10:26:34.947Z|5804863|dpif_netdev|ERR|error receiving data from bond0: Message too long<br>2020-10-16T10:26:35.179Z|5804864|dpif_netdev|ERR|error receiving data from bond0: Message too long<br><br><br>[root@host1 ~]# ovs-vsctl show <br>a861ee0a-595a-462a-8729-68de6a9026d8<br>    Manager "ptcp:6640:127.0.0.1"<br>        is_connected: true<br>    Bridge br0<br>        Controller "tcp:<a href="http://127.0.0.1:6633">127.0.0.1:6633</a>"<br>            is_connected: true<br>        fail_mode: secure<br>        datapath_type: netdev<br>        Port phy-br0<br>            Interface phy-br0<br>                type: patch<br>                options: {peer=int-br0}<br>        Port "bond0"<br>            Interface "bond0"<br>        Port br0<br>            Interface br0<br>                type: internal<br><br>[root@host1 ~]# ip link show bond0<br>10: bond0: <BROADCAST,MULTICAST,PROMISC,MASTER,UP,LOWER_UP> mtu 1500 qdisc noqueue state UP mode DEFAULT group default qlen 1000<br>    link/ether e4:43:4b:ed:33:20 brd ff:ff:ff:ff:ff:ff<br><br>[root@host1 ~]# ovs-vsctl list interface bond0<br>_uuid               : 89181c9b-f123-48fb-97ed-3252e39f41ce<br>admin_state         : up<br>bfd                 : {}<br>bfd_status          : {}<br>cfm_fault           : []<br>cfm_fault_status    : []<br>cfm_flap_count      : []<br>cfm_health          : []<br>cfm_mpid            : []<br>cfm_remote_mpids    : []<br>cfm_remote_opstate  : []<br>duplex              : []<br>error               : []<br>external_ids        : {}<br>ifindex             : 10<br>ingress_policing_burst: 0<br>ingress_policing_rate: 0<br>lacp_current        : []<br>link_resets         : 0<br>link_speed          : []<br>link_state          : up<br>lldp                : {}<br>mac                 : []<br>mac_in_use          : "e4:43:4b:ed:33:20"<br>mtu                 : 1500<br>mtu_request         : 1500<br>name                : "bond0"<br>ofport              : 3<br>ofport_request      : []<br>options             : {}<br>other_config        : {}<br>statistics          : {collisions=0, rx_bytes=428325175126, rx_crc_err=0, rx_dropped=3644084274, rx_errors=0, rx_frame_err=0, rx_over_err=0, rx_packets=2667110862, tx_bytes=345128207711, tx_dropped=0, tx_errors=0, tx_packets=563989135}<br>status              : {driver_name=bonding, driver_version="3.7.1", firmware_version="2"}<br>type                : ""<br><br>[root@host2 ~]# ovs-vsctl list interface br0<br>_uuid               : c3df3fc1-b78d-464f-af39-1fee5aff12dc<br>admin_state         : down<br>bfd                 : {}<br>bfd_status          : {}<br>cfm_fault           : []<br>cfm_fault_status    : []<br>cfm_flap_count      : []<br>cfm_health          : []<br>cfm_mpid            : []<br>cfm_remote_mpids    : []<br>cfm_remote_opstate  : []<br>duplex              : full<br>error               : []<br>external_ids        : {}<br>ifindex             : 24<br>ingress_policing_burst: 0<br>ingress_policing_rate: 0<br>lacp_current        : []<br>link_resets         : 0<br>link_speed          : 10000000<br>link_state          : down<br>lldp                : {}<br>mac                 : []<br>mac_in_use          : "e4:43:4b:ec:c5:60"<br>mtu                 : 1500<br>mtu_request         : []<br>name                : br0<br>ofport              : 65534<br>ofport_request      : []<br>options             : {}<br>other_config        : {}<br>statistics          : {collisions=0, rx_bytes=0, rx_crc_err=0, rx_dropped=0, rx_errors=0, rx_frame_err=0, rx_over_err=0, rx_packets=0, tx_bytes=0, tx_dropped=1000184, tx_errors=0, tx_packets=0}<br>status              : {driver_name=tun, driver_version="1.6", firmware_version=""}<br>type                : internal<br></div>