[  518.546151] bond0: (slave eth0): making interface the new active one
[  518.546230] bond0: (slave eth0): Enslaving as an active interface with an up link
[  522.725157] bond0: (slave eth0): Releasing backup interface
[  522.824839] bond0: (slave eth0): Enslaving as an active interface with an up link
[  527.008119] bond0: (slave eth0): Releasing backup interface
[  527.038057] bond0 (unregistering): Released all slaves