[  538.280630] bond0: (slave eth0): making interface the new active one
[  538.280714] bond0: (slave eth0): Enslaving as an active interface with an up link
[  542.505957] bond0: (slave eth0): Releasing backup interface
[  542.595105] bond0: (slave eth0): Enslaving as an active interface with an up link
[  546.792728] bond0: (slave eth0): Releasing backup interface
[  546.820658] bond0 (unregistering): Released all slaves