[  835.723079][T21566] bond0: (slave eth0): making interface the new active one
[  835.723519][T21566] bond0: (slave eth0): Enslaving as an active interface with an up link
[  835.771634][T21567] 8021q: adding VLAN 0 to HW filter on device bond0
[  840.008682][T21570] bond0: (slave eth0): Releasing backup interface
[  840.170531][T21573] bond0: (slave eth0): Enslaving as an active interface with an up link
[  840.226595][T21574] 8021q: adding VLAN 0 to HW filter on device bond0
[  844.412449][T21180] bond0: (slave eth0): Releasing backup interface
[  844.477350][T21180] bond0 (unregistering): Released all slaves