[  503.225174] bond0: (slave eth0): making interface the new active one
[  503.225241] bond0: (slave eth0): Enslaving as an active interface with an up link
[  507.407637] bond0: (slave eth0): Releasing backup interface
[  507.492008] bond0: (slave eth0): Enslaving as an active interface with an up link
[  511.641850] bond0: (slave eth0): Releasing backup interface
[  511.669743] bond0 (unregistering): Released all slaves