[  538.907059] bond0: (slave eth0): making interface the new active one
[  538.907144] bond0: (slave eth0): Enslaving as an active interface with an up link
[  543.119587] bond0: (slave eth0): Releasing backup interface
[  543.206964] bond0: (slave eth0): Enslaving as an active interface with an up link
[  547.408872] bond0: (slave eth0): Releasing backup interface
[  547.429809] bond0 (unregistering): Released all slaves