[  501.796523] bond0: (slave eth0): making interface the new active one
[  501.796601] bond0: (slave eth0): Enslaving as an active interface with an up link
[  506.000543] bond0: (slave eth0): Releasing backup interface
[  506.078248] bond0: (slave eth0): Enslaving as an active interface with an up link
[  510.225310] bond0: (slave eth0): Releasing backup interface
[  510.245218] bond0 (unregistering): Released all slaves