[  518.866757] bond0: (slave eth0): making interface the new active one
[  518.866842] bond0: (slave eth0): Enslaving as an active interface with an up link
[  523.025778] bond0: (slave eth0): Releasing backup interface
[  523.103465] bond0: (slave eth0): Enslaving as an active interface with an up link
[  527.254253] bond0: (slave eth0): Releasing backup interface
[  527.289262] bond0 (unregistering): Released all slaves