[  537.641925] bond0: (slave eth0): making interface the new active one
[  537.642007] bond0: (slave eth0): Enslaving as an active interface with an up link
[  541.845316] bond0: (slave eth0): Releasing backup interface
[  541.947931] bond0: (slave eth0): Enslaving as an active interface with an up link
[  546.133306] bond0: (slave eth0): Releasing backup interface
[  546.163669] bond0 (unregistering): Released all slaves