[  506.089199] bond0: (slave eth0): making interface the new active one
[  506.089336] bond0: (slave eth0): Enslaving as an active interface with an up link
[  510.292629] bond0: (slave eth0): Releasing backup interface
[  510.375992] bond0: (slave eth0): Enslaving as an active interface with an up link
[  514.520283] bond0: (slave eth0): Releasing backup interface
[  514.566202] bond0 (unregistering): Released all slaves