[  840.199051][ T9374] bond0: (slave veth0): Enslaving as a backup interface with a down link
[  840.309426][ T9375] bond0: (slave veth1): Enslaving as a backup interface with a down link
[  840.402105][ T9376] br0: port 1(veth0) entered blocking state
[  840.402443][ T9376] br0: port 1(veth0) entered disabled state
[  840.402761][ T9376] veth0: entered allmulticast mode
[  840.404097][ T9376] veth0: entered promiscuous mode
[  840.520821][ T9377] br0: port 2(veth1) entered blocking state
[  840.521391][ T9377] br0: port 2(veth1) entered disabled state
[  840.521800][ T9377] veth1: entered allmulticast mode
[  840.523899][ T9377] veth1: entered promiscuous mode
[  840.896286][ T8332] br0: port 1(veth0) entered blocking state
[  840.896695][ T8332] br0: port 1(veth0) entered forwarding state
[  840.898578][ T8332] br0: port 2(veth1) entered blocking state
[  840.898907][ T8332] br0: port 2(veth1) entered forwarding state
[  842.160808][  T258] bond0: (slave veth1): link status definitely up
[  842.161258][  T258] bond0: (slave veth1): making interface the new active one
[  842.163834][  T258] bond0: active interface up!
[  842.626436][  T258] veth1: left allmulticast mode
[  842.626667][  T258] veth1: left promiscuous mode
[  842.626968][  T258] br0: port 2(veth1) entered disabled state
[  842.629495][  T258] veth0: left allmulticast mode
[  842.629709][  T258] veth0: left promiscuous mode
[  842.629985][  T258] br0: port 1(veth0) entered disabled state
[  842.779832][  T258] bond0: (slave veth1): Releasing backup interface
[  842.957923][  T258] bond0: (slave veth0): Releasing backup interface
[  843.342702][  T258] bond0 (unregistering): Released all slaves