[  835.469937][ T9444] bond0: (slave veth0): Enslaving as a backup interface with a down link
[  835.558975][ T9445] bond0: (slave veth1): Enslaving as a backup interface with a down link
[  835.646246][ T9446] br0: port 1(veth0) entered blocking state
[  835.646616][ T9446] br0: port 1(veth0) entered disabled state
[  835.646872][ T9446] veth0: entered allmulticast mode
[  835.648076][ T9446] veth0: entered promiscuous mode
[  835.756528][ T9447] br0: port 2(veth1) entered blocking state
[  835.756864][ T9447] br0: port 2(veth1) entered disabled state
[  835.757143][ T9447] veth1: entered allmulticast mode
[  835.758789][ T9447] veth1: entered promiscuous mode
[  836.199022][   T38] br0: port 1(veth0) entered blocking state
[  836.199280][   T38] br0: port 1(veth0) entered forwarding state
[  836.200428][   T38] br0: port 2(veth1) entered blocking state
[  836.200657][   T38] br0: port 2(veth1) entered forwarding state
[  837.423810][ T8548] bond0: (slave veth1): link status definitely up
[  837.424219][ T8548] bond0: (slave veth1): making interface the new active one
[  837.425263][ T8548] bond0: active interface up!
[  837.897717][ T8548] veth1: left allmulticast mode
[  837.897973][ T8548] veth1: left promiscuous mode
[  837.898303][ T8548] br0: port 2(veth1) entered disabled state
[  837.900317][ T8548] veth0: left allmulticast mode
[  837.900608][ T8548] veth0: left promiscuous mode
[  837.900922][ T8548] br0: port 1(veth0) entered disabled state
[  838.101968][ T8548] bond0: (slave veth1): Releasing backup interface
[  838.299972][ T8548] bond0: (slave veth0): Releasing backup interface
[  838.658627][ T8548] bond0 (unregistering): Released all slaves