[  503.132767] bond0: (slave eth0): making interface the new active one
[  503.132878] bond0: (slave eth0): Enslaving as an active interface with an up link
[  507.280898] bond0: (slave eth0): Releasing backup interface
[  507.338356] bond0: (slave eth0): Enslaving as an active interface with an up link
[  511.512849] bond0: (slave eth0): Releasing backup interface
[  511.546335] bond0 (unregistering): Released all slaves