[  537.986069] bond0: (slave eth0): making interface the new active one
[  537.986153] bond0: (slave eth0): Enslaving as an active interface with an up link
[  542.227729] bond0: (slave eth0): Releasing backup interface
[  542.312903] bond0: (slave eth0): Enslaving as an active interface with an up link
[  546.520468] bond0: (slave eth0): Releasing backup interface
[  546.544727] bond0 (unregistering): Released all slaves