[  518.473100] bond0: (slave eth0): making interface the new active one
[  518.473194] bond0: (slave eth0): Enslaving as an active interface with an up link
[  522.717869] bond0: (slave eth0): Releasing backup interface
[  522.838702] bond0: (slave eth0): Enslaving as an active interface with an up link
[  527.063085] bond0: (slave eth0): Releasing backup interface
[  527.100952] bond0 (unregistering): Released all slaves