[  514.078750] bond0: (slave eth0): making interface the new active one
[  514.078833] bond0: (slave eth0): Enslaving as an active interface with an up link
[  518.295761] bond0: (slave eth0): Releasing backup interface
[  518.406797] bond0: (slave eth0): Enslaving as an active interface with an up link
[  522.582168] bond0: (slave eth0): Releasing backup interface
[  522.611070] bond0 (unregistering): Released all slaves