[  506.259562] bond0: (slave eth0): making interface the new active one
[  506.259672] bond0: (slave eth0): Enslaving as an active interface with an up link
[  510.423274] bond0: (slave eth0): Releasing backup interface
[  510.476518] bond0: (slave eth0): Enslaving as an active interface with an up link
[  514.651583] bond0: (slave eth0): Releasing backup interface
[  514.673494] bond0 (unregistering): Released all slaves