[  520.806382] bond0: (slave eth0): making interface the new active one
[  520.806471] bond0: (slave eth0): Enslaving as an active interface with an up link
[  525.005976] bond0: (slave eth0): Releasing backup interface
[  525.077762] bond0: (slave eth0): Enslaving as an active interface with an up link
[  529.233572] bond0: (slave eth0): Releasing backup interface
[  529.265632] bond0 (unregistering): Released all slaves