[  517.529704] bond0: (slave eth0): making interface the new active one
[  517.529821] bond0: (slave eth0): Enslaving as an active interface with an up link
[  521.765423] bond0: (slave eth0): Releasing backup interface
[  521.886689] bond0: (slave eth0): Enslaving as an active interface with an up link
[  526.049137] bond0: (slave eth0): Releasing backup interface
[  526.077046] bond0 (unregistering): Released all slaves