[  839.906778] ip (3471) used greatest stack depth: 11976 bytes left
[  841.884755] 8021q: adding VLAN 0 to HW filter on device bond0
[  841.888532] bond0: (slave veth0): Enslaving as a backup interface with a down link
[  841.892295] bond0: (slave veth1): Enslaving as a backup interface with a down link
[  841.895963] br0: port 1(veth0) entered blocking state
[  841.895996] br0: port 1(veth0) entered disabled state
[  841.896030] veth0: entered allmulticast mode
[  841.896089] veth0: entered promiscuous mode
[  841.899877] br0: port 2(veth1) entered blocking state
[  841.899910] br0: port 2(veth1) entered disabled state
[  841.899945] veth1: entered allmulticast mode
[  841.899999] veth1: entered promiscuous mode
[  842.881335] br0: port 1(veth0) entered blocking state
[  842.881401] br0: port 1(veth0) entered forwarding state
[  842.881449] br0: port 2(veth1) entered blocking state
[  842.881481] br0: port 2(veth1) entered forwarding state
[  843.969294] bond0: (slave veth1): link status definitely up
[  843.969401] bond0: (slave veth1): making interface the new active one
[  843.969455] bond0: active interface up!
[  844.082717] veth1: left allmulticast mode
[  844.082794] veth1: left promiscuous mode
[  844.082898] br0: port 2(veth1) entered disabled state
[  844.083049] veth0: left allmulticast mode
[  844.083106] veth0: left promiscuous mode
[  844.083164] br0: port 1(veth0) entered disabled state
[  844.087438] bond0: (slave veth1): Releasing backup interface
[  844.095423] bond0: (slave veth0): Releasing backup interface
[  844.125334] bond0 (unregistering): Released all slaves