[  834.823903][ T9504] bond0: (slave eth0): making interface the new active one
[  834.824565][ T9504] bond0: (slave eth0): Enslaving as an active interface with an up link
[  839.534244][ T9508] bond0: (slave eth0): Releasing backup interface
[  840.061487][ T9511] bond0: (slave eth0): Enslaving as an active interface with an up link
[  844.702161][ T1996] bond0: (slave eth0): Releasing backup interface
[  845.056475][ T1996] bond0 (unregistering): Released all slaves