[  516.834793] bond0: (slave eth0): making interface the new active one
[  516.834877] bond0: (slave eth0): Enslaving as an active interface with an up link
[  521.052697] bond0: (slave eth0): Releasing backup interface
[  521.159962] bond0: (slave eth0): Enslaving as an active interface with an up link
[  525.339110] bond0: (slave eth0): Releasing backup interface
[  525.365913] bond0 (unregistering): Released all slaves