[  531.545177] bond0: (slave eth0): making interface the new active one
[  531.545264] bond0: (slave eth0): Enslaving as an active interface with an up link
[  535.774501] bond0: (slave eth0): Releasing backup interface
[  535.876297] bond0: (slave eth0): Enslaving as an active interface with an up link
[  540.063126] bond0: (slave eth0): Releasing backup interface
[  540.094041] bond0 (unregistering): Released all slaves