[  835.812796][ T9401] bond0: (slave veth0): Enslaving as a backup interface with a down link
[  835.917305][ T9402] bond0: (slave veth1): Enslaving as a backup interface with a down link
[  836.015470][ T9403] br0: port 1(veth0) entered blocking state
[  836.015753][ T9403] br0: port 1(veth0) entered disabled state
[  836.016013][ T9403] veth0: entered allmulticast mode
[  836.017225][ T9403] veth0: entered promiscuous mode
[  836.147860][ T9404] br0: port 2(veth1) entered blocking state
[  836.148270][ T9404] br0: port 2(veth1) entered disabled state
[  836.148676][ T9404] veth1: entered allmulticast mode
[  836.151273][ T9404] veth1: entered promiscuous mode
[  836.549267][   T81] br0: port 1(veth0) entered blocking state
[  836.549572][   T81] br0: port 1(veth0) entered forwarding state
[  836.550637][   T81] br0: port 2(veth1) entered blocking state
[  836.550856][   T81] br0: port 2(veth1) entered forwarding state
[  837.779900][  T263] bond0: (slave veth1): link status definitely up
[  837.780336][  T263] bond0: (slave veth1): making interface the new active one
[  837.781529][  T263] bond0: active interface up!
[  838.039631][  T263] veth1: left allmulticast mode
[  838.039980][  T263] veth1: left promiscuous mode
[  838.040478][  T263] br0: port 2(veth1) entered disabled state
[  838.044120][  T263] veth0: left allmulticast mode
[  838.044427][  T263] veth0: left promiscuous mode
[  838.044886][  T263] br0: port 1(veth0) entered disabled state
[  838.218255][  T263] bond0: (slave veth1): Releasing backup interface
[  838.403706][  T263] bond0: (slave veth0): Releasing backup interface
[  838.769661][  T263] bond0 (unregistering): Released all slaves