[  520.143597] bond0: (slave eth0): making interface the new active one
[  520.143749] bond0: (slave eth0): Enslaving as an active interface with an up link
[  524.301797] bond0: (slave eth0): Releasing backup interface
[  524.373081] bond0: (slave eth0): Enslaving as an active interface with an up link
[  528.525868] bond0: (slave eth0): Releasing backup interface
[  528.547829] bond0 (unregistering): Released all slaves