[  516.644081] bond0: (slave eth0): making interface the new active one
[  516.644187] bond0: (slave eth0): Enslaving as an active interface with an up link
[  520.852085] bond0: (slave eth0): Releasing backup interface
[  520.933262] bond0: (slave eth0): Enslaving as an active interface with an up link
[  525.081413] bond0: (slave eth0): Releasing backup interface
[  525.108407] bond0 (unregistering): Released all slaves