[  518.936932] bond0: (slave eth0): making interface the new active one
[  518.937022] bond0: (slave eth0): Enslaving as an active interface with an up link
[  523.161878] bond0: (slave eth0): Releasing backup interface
[  523.264779] bond0: (slave eth0): Enslaving as an active interface with an up link
[  527.446910] bond0: (slave eth0): Releasing backup interface
[  527.473883] bond0 (unregistering): Released all slaves