[  518.747999] bond0: (slave eth0): making interface the new active one
[  518.748095] bond0: (slave eth0): Enslaving as an active interface with an up link
[  522.959779] bond0: (slave eth0): Releasing backup interface
[  523.030943] bond0: (slave eth0): Enslaving as an active interface with an up link
[  527.192200] bond0: (slave eth0): Releasing backup interface
[  527.220265] bond0 (unregistering): Released all slaves