[  838.425393] 8021q: adding VLAN 0 to HW filter on device bond0
[  838.429060] bond0: (slave veth0): Enslaving as a backup interface with a down link
[  838.432726] bond0: (slave veth1): Enslaving as a backup interface with a down link
[  838.436231] br0: port 1(veth0) entered blocking state
[  838.436292] br0: port 1(veth0) entered disabled state
[  838.436359] veth0: entered allmulticast mode
[  838.436449] veth0: entered promiscuous mode
[  838.440017] br0: port 2(veth1) entered blocking state
[  838.440048] br0: port 2(veth1) entered disabled state
[  838.440084] veth1: entered allmulticast mode
[  838.440143] veth1: entered promiscuous mode
[  838.499155] br0: port 1(veth0) entered blocking state
[  838.499192] br0: port 1(veth0) entered forwarding state
[  838.499235] br0: port 2(veth1) entered blocking state
[  838.499264] br0: port 2(veth1) entered forwarding state
[  840.459163] bond0: (slave veth1): link status definitely up
[  840.459266] bond0: (slave veth1): making interface the new active one
[  840.459364] bond0: active interface up!
[  840.497810] veth1: left allmulticast mode
[  840.497871] veth1: left promiscuous mode
[  840.497936] br0: port 2(veth1) entered disabled state
[  840.498146] veth0: left allmulticast mode
[  840.498202] veth0: left promiscuous mode
[  840.498261] br0: port 1(veth0) entered disabled state
[  840.505299] bond0: (slave veth1): Releasing backup interface
[  840.511274] bond0: (slave veth0): Releasing backup interface
[  840.541190] bond0 (unregistering): Released all slaves