[  507.102444] bond0: (slave eth0): making interface the new active one
[  507.102573] bond0: (slave eth0): Enslaving as an active interface with an up link
[  511.313385] bond0: (slave eth0): Releasing backup interface
[  511.386842] bond0: (slave eth0): Enslaving as an active interface with an up link
[  515.540455] bond0: (slave eth0): Releasing backup interface
[  515.572105] bond0 (unregistering): Released all slaves