[  518.577799] bond0: (slave eth0): making interface the new active one
[  518.577875] bond0: (slave eth0): Enslaving as an active interface with an up link
[  522.777370] bond0: (slave eth0): Releasing backup interface
[  522.884828] bond0: (slave eth0): Enslaving as an active interface with an up link
[  527.062988] bond0: (slave eth0): Releasing backup interface
[  527.097123] bond0 (unregistering): Released all slaves