[  841.597305][ T8948] bond0: (slave eth0): making interface the new active one
[  841.597936][ T8948] bond0: (slave eth0): Enslaving as an active interface with an up link
[  846.336495][ T8952] bond0: (slave eth0): Releasing backup interface
[  846.828677][ T8955] bond0: (slave eth0): Enslaving as an active interface with an up link
[  851.405836][ T4923] bond0: (slave eth0): Releasing backup interface
[  851.787872][ T4923] bond0 (unregistering): Released all slaves