[  537.635090] bond0: (slave eth0): making interface the new active one
[  537.635176] bond0: (slave eth0): Enslaving as an active interface with an up link
[  541.835072] bond0: (slave eth0): Releasing backup interface
[  541.922529] bond0: (slave eth0): Enslaving as an active interface with an up link
[  546.130648] bond0: (slave eth0): Releasing backup interface
[  546.155600] bond0 (unregistering): Released all slaves