[  838.727932][ T9288] bond0: (slave veth0): Enslaving as a backup interface with a down link
[  838.826586][ T9289] bond0: (slave veth1): Enslaving as a backup interface with a down link
[  838.916901][ T9290] br0: port 1(veth0) entered blocking state
[  838.917206][ T9290] br0: port 1(veth0) entered disabled state
[  838.917492][ T9290] veth0: entered allmulticast mode
[  838.918691][ T9290] veth0: entered promiscuous mode
[  839.035307][ T9291] br0: port 2(veth1) entered blocking state
[  839.035605][ T9291] br0: port 2(veth1) entered disabled state
[  839.035862][ T9291] veth1: entered allmulticast mode
[  839.037103][ T9291] veth1: entered promiscuous mode
[  839.668989][ T8370] br0: port 1(veth0) entered blocking state
[  839.669352][ T8370] br0: port 1(veth0) entered forwarding state
[  839.670327][ T8370] br0: port 2(veth1) entered blocking state
[  839.670565][ T8370] br0: port 2(veth1) entered forwarding state
[  841.694025][ T4255] bond0: (slave veth0): link status definitely up
[  841.694921][ T4255] bond0: (slave veth1): link status definitely up
[  841.695243][ T4255] bond0: (slave veth0): making interface the new active one
[  841.697215][ T4255] bond0: active interface up!
[  842.076665][ T8241] veth1: left allmulticast mode
[  842.076911][ T8241] veth1: left promiscuous mode
[  842.077221][ T8241] br0: port 2(veth1) entered disabled state
[  842.078621][ T8241] veth0: left allmulticast mode
[  842.078807][ T8241] veth0: left promiscuous mode
[  842.079109][ T8241] br0: port 1(veth0) entered disabled state
[  842.233171][ T8241] bond0: (slave veth1): Releasing backup interface
[  842.416086][ T8241] bond0: (slave veth0): Releasing backup interface
[  842.842417][ T8241] bond0 (unregistering): Released all slaves