[  518.072984] bond0: (slave eth0): making interface the new active one
[  518.073116] bond0: (slave eth0): Enslaving as an active interface with an up link
[  522.252298] bond0: (slave eth0): Releasing backup interface
[  522.321121] bond0: (slave eth0): Enslaving as an active interface with an up link
[  526.475100] bond0: (slave eth0): Releasing backup interface
[  526.510004] bond0 (unregistering): Released all slaves