[ 1697.617445] gre: GRE over IPv4 demultiplexer driver
[ 1697.618478] ip_gre: GRE over IPv4 tunneling driver
[ 1702.856863] ip6_gre: GRE over IPv6 tunneling driver
[ 1708.031967] ip6_tunnel: eoudp6 xmit: Local address not yet configured!