[  510.118559] bond0: (slave eth0): making interface the new active one
[  510.118637] bond0: (slave eth0): Enslaving as an active interface with an up link
[  514.332792] bond0: (slave eth0): Releasing backup interface
[  514.440251] bond0: (slave eth0): Enslaving as an active interface with an up link
[  518.611999] bond0: (slave eth0): Releasing backup interface
[  518.642919] bond0 (unregistering): Released all slaves