[  516.673213] bond0: (slave eth0): making interface the new active one
[  516.673298] bond0: (slave eth0): Enslaving as an active interface with an up link
[  520.858890] bond0: (slave eth0): Releasing backup interface
[  520.964952] bond0: (slave eth0): Enslaving as an active interface with an up link
[  525.142923] bond0: (slave eth0): Releasing backup interface
[  525.162908] bond0 (unregistering): Released all slaves