[  511.854771] bond0: (slave eth0): making interface the new active one
[  511.854872] bond0: (slave eth0): Enslaving as an active interface with an up link
[  516.053562] bond0: (slave eth0): Releasing backup interface
[  516.125064] bond0: (slave eth0): Enslaving as an active interface with an up link
[  520.274256] bond0: (slave eth0): Releasing backup interface
[  520.300316] bond0 (unregistering): Released all slaves