[  518.217194] bond0: (slave eth0): making interface the new active one
[  518.217292] bond0: (slave eth0): Enslaving as an active interface with an up link
[  522.386594] bond0: (slave eth0): Releasing backup interface
[  522.465151] bond0: (slave eth0): Enslaving as an active interface with an up link
[  526.615488] bond0: (slave eth0): Releasing backup interface
[  526.644504] bond0 (unregistering): Released all slaves