[  516.173626] bond0: (slave eth0): making interface the new active one
[  516.173698] bond0: (slave eth0): Enslaving as an active interface with an up link
[  520.411464] bond0: (slave eth0): Releasing backup interface
[  520.527124] bond0: (slave eth0): Enslaving as an active interface with an up link
[  524.698098] bond0: (slave eth0): Releasing backup interface
[  524.728063] bond0 (unregistering): Released all slaves