[  538.616918] bond0: (slave eth0): making interface the new active one
[  538.617002] bond0: (slave eth0): Enslaving as an active interface with an up link
[  542.805936] bond0: (slave eth0): Releasing backup interface
[  542.901449] bond0: (slave eth0): Enslaving as an active interface with an up link
[  547.091901] bond0: (slave eth0): Releasing backup interface
[  547.125832] bond0 (unregistering): Released all slaves