[  870.213812][T17943] bond0: (slave eth0): making interface the new active one
[  870.214255][T17943] bond0: (slave eth0): Enslaving as an active interface with an up link
[  870.265034][T17944] 8021q: adding VLAN 0 to HW filter on device bond0
[  874.550257][T17947] bond0: (slave eth0): Releasing backup interface
[  874.734752][T17950] bond0: (slave eth0): Enslaving as an active interface with an up link
[  874.793500][T17951] 8021q: adding VLAN 0 to HW filter on device bond0
[  879.032075][T16697] bond0: (slave eth0): Releasing backup interface
[  879.105202][T16697] bond0 (unregistering): Released all slaves