[  820.904366][ T9278] bond0: (slave veth0): Enslaving as a backup interface with a down link
[  821.000029][ T9279] bond0: (slave veth1): Enslaving as a backup interface with a down link
[  821.101070][ T9280] br0: port 1(veth0) entered blocking state
[  821.101602][ T9280] br0: port 1(veth0) entered disabled state
[  821.101857][ T9280] veth0: entered allmulticast mode
[  821.103053][ T9280] veth0: entered promiscuous mode
[  821.186499][ T9281] br0: port 2(veth1) entered blocking state
[  821.186819][ T9281] br0: port 2(veth1) entered disabled state
[  821.187090][ T9281] veth1: entered allmulticast mode
[  821.188293][ T9281] veth1: entered promiscuous mode
[  821.628021][ T4168] br0: port 1(veth0) entered blocking state
[  821.628351][ T4168] br0: port 1(veth0) entered forwarding state
[  821.629781][ T4168] br0: port 2(veth1) entered blocking state
[  821.630018][ T4168] br0: port 2(veth1) entered forwarding state
[  822.882291][ T8428] bond0: (slave veth1): link status definitely up
[  822.882798][ T8428] bond0: (slave veth1): making interface the new active one
[  822.884213][ T8428] bond0: active interface up!
[  823.211635][ T8428] veth1: left allmulticast mode
[  823.211884][ T8428] veth1: left promiscuous mode
[  823.212195][ T8428] br0: port 2(veth1) entered disabled state
[  823.214693][ T8428] veth0: left allmulticast mode
[  823.214900][ T8428] veth0: left promiscuous mode
[  823.215190][ T8428] br0: port 1(veth0) entered disabled state
[  823.368443][ T8428] bond0: (slave veth1): Releasing backup interface
[  823.549791][ T8428] bond0: (slave veth0): Releasing backup interface
[  823.917750][ T8428] bond0 (unregistering): Released all slaves