[  520.742216] bond0: (slave eth0): making interface the new active one
[  520.742292] bond0: (slave eth0): Enslaving as an active interface with an up link
[  524.942660] bond0: (slave eth0): Releasing backup interface
[  525.031995] bond0: (slave eth0): Enslaving as an active interface with an up link
[  529.170661] bond0: (slave eth0): Releasing backup interface
[  529.198368] bond0 (unregistering): Released all slaves