[  520.957695] bond0: (slave eth0): making interface the new active one
[  520.957767] bond0: (slave eth0): Enslaving as an active interface with an up link
[  525.170940] bond0: (slave eth0): Releasing backup interface
[  525.273517] bond0: (slave eth0): Enslaving as an active interface with an up link
[  529.453207] bond0: (slave eth0): Releasing backup interface
[  529.480133] bond0 (unregistering): Released all slaves