[  849.914369] bond0: (slave eth0): making interface the new active one
[  849.914458] bond0: (slave eth0): Enslaving as an active interface with an up link
[  849.919992] 8021q: adding VLAN 0 to HW filter on device bond0
[  854.015225] bond0: (slave eth0): Releasing backup interface
[  854.042874] bond0: (slave eth0): Enslaving as an active interface with an up link
[  854.048404] 8021q: adding VLAN 0 to HW filter on device bond0
[  858.181871] bond0: (slave eth0): Releasing backup interface
[  858.210796] bond0 (unregistering): Released all slaves