[  891.721201][ T7497] bond0: (slave eth0): making interface the new active one
[  891.729553][ T7497] bond0: (slave eth0): Enslaving as an active interface with an up link
[  896.890631][ T7501] bond0: (slave eth0): Releasing backup interface
[  897.666040][ T7504] bond0: (slave eth0): Enslaving as an active interface with an up link
[  902.423100][  T256] bond0: (slave eth0): Releasing backup interface
[  902.540378][  T256] bond0 (unregistering): Released all slaves