[  521.267434] bond0: (slave eth0): making interface the new active one
[  521.267519] bond0: (slave eth0): Enslaving as an active interface with an up link
[  525.461406] bond0: (slave eth0): Releasing backup interface
[  525.544736] bond0: (slave eth0): Enslaving as an active interface with an up link
[  529.749944] bond0: (slave eth0): Releasing backup interface
[  529.777715] bond0 (unregistering): Released all slaves