[  518.890229] bond0: (slave eth0): making interface the new active one
[  518.890350] bond0: (slave eth0): Enslaving as an active interface with an up link
[  523.087457] bond0: (slave eth0): Releasing backup interface
[  523.158419] bond0: (slave eth0): Enslaving as an active interface with an up link
[  527.317306] bond0: (slave eth0): Releasing backup interface
[  527.354252] bond0 (unregistering): Released all slaves