[ 2559.745702][T17624] gre: GRE over IPv4 demultiplexor driver
[ 2561.858495][T17647] ip_gre: GRE over IPv4 tunneling driver
[ 2621.349434][T18218] ip6_gre: GRE over IPv6 tunneling driver
[ 2662.127031][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 2667.885962][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 2672.749972][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 2678.574963][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!