[  518.307583] bond0: (slave eth0): making interface the new active one
[  518.307659] bond0: (slave eth0): Enslaving as an active interface with an up link
[  522.528014] bond0: (slave eth0): Releasing backup interface
[  522.640575] bond0: (slave eth0): Enslaving as an active interface with an up link
[  526.810137] bond0: (slave eth0): Releasing backup interface
[  526.838129] bond0 (unregistering): Released all slaves