[  503.472475] bond0: (slave eth0): making interface the new active one
[  503.472594] bond0: (slave eth0): Enslaving as an active interface with an up link
[  507.673832] bond0: (slave eth0): Releasing backup interface
[  507.746721] bond0: (slave eth0): Enslaving as an active interface with an up link
[  511.906597] bond0: (slave eth0): Releasing backup interface
[  511.929536] bond0 (unregistering): Released all slaves