br0 65534/100: (dummy)
p1 1/1: (gre: remote_ip=1.1.1.1)
p2 2/1: (gre: csum=true, df_default=false, local_ip=2.2.2.3, remote_ip=1.1.1.1, ttl=1)
br0 65534/100: (dummy)
p1 1/1: (gre: remote_ip=1.1.1.1)
p2 2/1: (gre: csum=true, df_default=false, local_ip=2.2.2.3, remote_ip=1.1.1.1, ttl=1)