[ 2179.093379][T27519] br0: port 1(dummy0) entered blocking state
[ 2179.093553][T27519] br0: port 1(dummy0) entered disabled state
[ 2179.093712][T27519] dummy0: entered allmulticast mode
[ 2179.095223][T27519] dummy0: entered promiscuous mode
[ 2179.120300][T27520] br0: port 1(dummy0) entered blocking state
[ 2179.120698][T27520] br0: port 1(dummy0) entered forwarding state
[ 2181.482453][   T70] dummy0: left allmulticast mode
[ 2181.482724][    C0] clocksource: Watchdog remote CPU 1 read timed out
[ 2181.483512][   T70] dummy0: left promiscuous mode
[ 2181.483950][   T70] br0: port 1(dummy0) entered disabled state