[  836.785179] 8021q: adding VLAN 0 to HW filter on device bond0
[  836.789213] bond0: (slave veth0): Enslaving as a backup interface with a down link
[  836.793316] bond0: (slave veth1): Enslaving as a backup interface with a down link
[  836.797214] br0: port 1(veth0) entered blocking state
[  836.797250] br0: port 1(veth0) entered disabled state
[  836.797289] veth0: entered allmulticast mode
[  836.797350] veth0: entered promiscuous mode
[  836.801421] br0: port 2(veth1) entered blocking state
[  836.801487] br0: port 2(veth1) entered disabled state
[  836.801553] veth1: entered allmulticast mode
[  836.801641] veth1: entered promiscuous mode
[  836.972974] br0: port 1(veth0) entered blocking state
[  836.973074] br0: port 1(veth0) entered forwarding state
[  836.973159] br0: port 2(veth1) entered blocking state
[  836.973223] br0: port 2(veth1) entered forwarding state
[  838.853951] bond0: (slave veth1): link status definitely up
[  838.854088] bond0: (slave veth1): making interface the new active one
[  838.854149] bond0: active interface up!
[  838.870752] veth1: left allmulticast mode
[  838.870794] veth1: left promiscuous mode
[  838.870823] br0: port 2(veth1) entered disabled state
[  838.870947] veth0: left allmulticast mode
[  838.870966] veth0: left promiscuous mode
[  838.870993] br0: port 1(veth0) entered disabled state
[  838.875127] bond0: (slave veth1): Releasing backup interface
[  838.880182] bond0: (slave veth0): Releasing backup interface
[  838.904974] bond0 (unregistering): Released all slaves