[  518.689435] bond0: (slave eth0): making interface the new active one
[  518.689533] bond0: (slave eth0): Enslaving as an active interface with an up link
[  522.915719] bond0: (slave eth0): Releasing backup interface
[  523.029953] bond0: (slave eth0): Enslaving as an active interface with an up link
[  527.200656] bond0: (slave eth0): Releasing backup interface
[  527.235739] bond0 (unregistering): Released all slaves