[  518.825925] bond0: (slave eth0): making interface the new active one
[  518.826038] bond0: (slave eth0): Enslaving as an active interface with an up link
[  523.018719] bond0: (slave eth0): Releasing backup interface
[  523.093014] bond0: (slave eth0): Enslaving as an active interface with an up link
[  527.245218] bond0: (slave eth0): Releasing backup interface
[  527.267144] bond0 (unregistering): Released all slaves