[  857.784566][ T9698] bond0: (slave veth0): Enslaving as a backup interface with a down link
[  857.927722][ T9699] bond0: (slave veth1): Enslaving as a backup interface with a down link
[  858.019909][ T9700] br0: port 1(veth0) entered blocking state
[  858.020228][ T9700] br0: port 1(veth0) entered disabled state
[  858.020484][ T9700] veth0: entered allmulticast mode
[  858.022192][ T9700] veth0: entered promiscuous mode
[  858.128013][ T9701] br0: port 2(veth1) entered blocking state
[  858.128708][ T9701] br0: port 2(veth1) entered disabled state
[  858.129131][ T9701] veth1: entered allmulticast mode
[  858.131159][ T9701] veth1: entered promiscuous mode
[  858.464829][   T39] br0: port 1(veth0) entered blocking state
[  858.465091][   T39] br0: port 1(veth0) entered forwarding state
[  858.466217][   T39] br0: port 2(veth1) entered blocking state
[  858.466441][   T39] br0: port 2(veth1) entered forwarding state
[  859.720021][ T9059] bond0: (slave veth1): link status definitely up
[  859.720485][ T9059] bond0: (slave veth1): making interface the new active one
[  859.721720][ T9059] bond0: active interface up!
[  860.028348][ T9059] veth1: left allmulticast mode
[  860.028563][ T9059] veth1: left promiscuous mode
[  860.028841][ T9059] br0: port 2(veth1) entered disabled state
[  860.030907][ T9059] veth0: left allmulticast mode
[  860.031095][ T9059] veth0: left promiscuous mode
[  860.031360][ T9059] br0: port 1(veth0) entered disabled state
[  860.187185][ T9059] bond0: (slave veth1): Releasing backup interface
[  860.336664][ T9059] bond0: (slave veth0): Releasing backup interface
[  860.706360][ T9059] bond0 (unregistering): Released all slaves