[  503.675321] bond0: (slave eth0): making interface the new active one
[  503.675390] bond0: (slave eth0): Enslaving as an active interface with an up link
[  507.858430] bond0: (slave eth0): Releasing backup interface
[  507.945697] bond0: (slave eth0): Enslaving as an active interface with an up link
[  512.143699] bond0: (slave eth0): Releasing backup interface
[  512.179638] bond0 (unregistering): Released all slaves