[  841.423198][ T9252] bond0: (slave eth0): making interface the new active one
[  841.423833][ T9252] bond0: (slave eth0): Enslaving as an active interface with an up link
[  846.133631][ T9256] bond0: (slave eth0): Releasing backup interface
[  846.658086][ T9259] bond0: (slave eth0): Enslaving as an active interface with an up link
[  851.286921][ T8635] bond0: (slave eth0): Releasing backup interface
[  851.632298][ T8635] bond0 (unregistering): Released all slaves