[  521.350852] bond0: (slave eth0): making interface the new active one
[  521.350956] bond0: (slave eth0): Enslaving as an active interface with an up link
[  525.593944] bond0: (slave eth0): Releasing backup interface
[  525.708727] bond0: (slave eth0): Enslaving as an active interface with an up link
[  529.880084] bond0: (slave eth0): Releasing backup interface
[  529.902978] bond0 (unregistering): Released all slaves