[  525.651132] bond0: (slave eth0): making interface the new active one
[  525.651224] bond0: (slave eth0): Enslaving as an active interface with an up link
[  529.817100] bond0: (slave eth0): Releasing backup interface
[  529.899103] bond0: (slave eth0): Enslaving as an active interface with an up link
[  534.039739] bond0: (slave eth0): Releasing backup interface