[  538.130492] bond0: (slave eth0): making interface the new active one
[  538.130577] bond0: (slave eth0): Enslaving as an active interface with an up link
[  542.359250] bond0: (slave eth0): Releasing backup interface
[  542.452792] bond0: (slave eth0): Enslaving as an active interface with an up link
[  546.648767] bond0: (slave eth0): Releasing backup interface
[  546.677702] bond0 (unregistering): Released all slaves