[  541.396927] bond0: (slave eth0): making interface the new active one
[  541.397006] bond0: (slave eth0): Enslaving as an active interface with an up link
[  545.617342] bond0: (slave eth0): Releasing backup interface
[  545.710488] bond0: (slave eth0): Enslaving as an active interface with an up link
[  549.903748] bond0: (slave eth0): Releasing backup interface
[  549.935707] bond0 (unregistering): Released all slaves