[  820.650320][ T9249] bond0: (slave eth0): making interface the new active one
[  820.650918][ T9249] bond0: (slave eth0): Enslaving as an active interface with an up link
[  825.470994][ T9253] bond0: (slave eth0): Releasing backup interface
[  825.973428][ T9256] bond0: (slave eth0): Enslaving as an active interface with an up link
[  830.669856][  T257] bond0: (slave eth0): Releasing backup interface
[  830.920391][  T257] bond0 (unregistering): Released all slaves