[  538.439477] bond0: (slave eth0): making interface the new active one
[  538.439544] bond0: (slave eth0): Enslaving as an active interface with an up link
[  542.669155] bond0: (slave eth0): Releasing backup interface
[  542.760773] bond0: (slave eth0): Enslaving as an active interface with an up link
[  546.953725] bond0: (slave eth0): Releasing backup interface
[  546.980816] bond0 (unregistering): Released all slaves