[  520.936430] bond0: (slave eth0): making interface the new active one
[  520.936509] bond0: (slave eth0): Enslaving as an active interface with an up link
[  525.126931] bond0: (slave eth0): Releasing backup interface
[  525.191262] bond0: (slave eth0): Enslaving as an active interface with an up link
[  529.354959] bond0: (slave eth0): Releasing backup interface
[  529.377880] bond0 (unregistering): Released all slaves