[  501.650552] bond0: (slave eth0): making interface the new active one
[  501.650651] bond0: (slave eth0): Enslaving as an active interface with an up link
[  505.871281] bond0: (slave eth0): Releasing backup interface
[  505.969416] bond0: (slave eth0): Enslaving as an active interface with an up link
[  510.166706] bond0: (slave eth0): Releasing backup interface
[  510.207668] bond0 (unregistering): Released all slaves