[  518.774418] bond0: (slave eth0): making interface the new active one
[  518.774508] bond0: (slave eth0): Enslaving as an active interface with an up link
[  522.957346] bond0: (slave eth0): Releasing backup interface
[  523.034090] bond0: (slave eth0): Enslaving as an active interface with an up link
[  527.185879] bond0: (slave eth0): Releasing backup interface
[  527.223526] bond0 (unregistering): Released all slaves