[  524.268635] bond0: (slave eth0): making interface the new active one
[  524.268704] bond0: (slave eth0): Enslaving as an active interface with an up link
[  528.465629] bond0: (slave eth0): Releasing backup interface
[  528.549772] bond0: (slave eth0): Enslaving as an active interface with an up link
[  532.693347] bond0: (slave eth0): Releasing backup interface
[  532.716714] bond0 (unregistering): Released all slaves