[  836.955067][ T9309] bond0: (slave veth0): Enslaving as a backup interface with a down link
[  837.043660][ T9310] bond0: (slave veth1): Enslaving as a backup interface with a down link
[  837.149681][ T9311] br0: port 1(veth0) entered blocking state
[  837.150050][ T9311] br0: port 1(veth0) entered disabled state
[  837.150368][ T9311] veth0: entered allmulticast mode
[  837.152275][ T9311] veth0: entered promiscuous mode
[  837.254504][ T9312] br0: port 2(veth1) entered blocking state
[  837.254898][ T9312] br0: port 2(veth1) entered disabled state
[  837.255322][ T9312] veth1: entered allmulticast mode
[  837.256905][ T9312] veth1: entered promiscuous mode
[  838.022699][   T38] br0: port 1(veth0) entered blocking state
[  838.022948][   T38] br0: port 1(veth0) entered forwarding state
[  838.023891][   T38] br0: port 2(veth1) entered blocking state
[  838.024107][   T38] br0: port 2(veth1) entered forwarding state
[  839.941613][ T8442] bond0: (slave veth0): link status definitely up
[  839.942272][ T8442] bond0: (slave veth1): link status definitely up
[  839.942456][ T8442] bond0: (slave veth0): making interface the new active one
[  839.943717][ T8442] bond0: active interface up!
[  840.288326][   T11] veth1: left allmulticast mode
[  840.288567][   T11] veth1: left promiscuous mode
[  840.288904][   T11] br0: port 2(veth1) entered disabled state
[  840.292360][   T11] veth0: left allmulticast mode
[  840.292626][   T11] veth0: left promiscuous mode
[  840.293038][   T11] br0: port 1(veth0) entered disabled state
[  840.465899][   T11] bond0: (slave veth1): Releasing backup interface
[  840.643142][   T11] bond0: (slave veth0): Releasing backup interface
[  841.023326][   T11] bond0 (unregistering): Released all slaves