[  510.338280] bond0: (slave eth0): making interface the new active one
[  510.338377] bond0: (slave eth0): Enslaving as an active interface with an up link
[  514.585317] bond0: (slave eth0): Releasing backup interface
[  514.692243] bond0: (slave eth0): Enslaving as an active interface with an up link
[  518.877112] bond0: (slave eth0): Releasing backup interface
[  518.913003] bond0 (unregistering): Released all slaves