[  516.077371] bond0: (slave eth0): making interface the new active one
[  516.077475] bond0: (slave eth0): Enslaving as an active interface with an up link
[  520.289646] bond0: (slave eth0): Releasing backup interface
[  520.410920] bond0: (slave eth0): Enslaving as an active interface with an up link
[  524.644078] bond0: (slave eth0): Releasing backup interface
[  524.675948] bond0 (unregistering): Released all slaves