[  518.832390] bond0: (slave eth0): making interface the new active one
[  518.832462] bond0: (slave eth0): Enslaving as an active interface with an up link
[  523.035758] bond0: (slave eth0): Releasing backup interface
[  523.144020] bond0: (slave eth0): Enslaving as an active interface with an up link
[  527.316056] bond0: (slave eth0): Releasing backup interface
[  527.347008] bond0 (unregistering): Released all slaves