[ 4127.765118][ T4342] gre: GRE over IPv4 demultiplexor driver
[ 4127.792131][ T4342] ip6_gre: GRE over IPv6 tunneling driver
[ 4127.937452][T29570] ip6_tunnel: er6 xmit: Local address not yet configured!
[ 4128.161396][ T8472] ip6_tunnel: gt6 xmit: Local address not yet configured!