[ 6400.243129][T31983] gre: GRE over IPv4 demultiplexor driver
[ 6400.264719][T31983] ip6_gre: GRE over IPv6 tunneling driver
[ 6400.461317][T20154] ip6_tunnel: er6 xmit: Local address not yet configured!
[ 6400.711216][T20154] ip6_tunnel: er6 xmit: Local address not yet configured!