[ 2535.652907][T17624] gre: GRE over IPv4 demultiplexor driver
[ 2537.623649][T17647] ip_gre: GRE over IPv4 tunneling driver
[ 2596.751330][T18218] ip6_gre: GRE over IPv6 tunneling driver
[ 2638.226582][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 2643.985493][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 2648.913517][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 2654.737499][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!