[ 2535.158364][T17624] gre: GRE over IPv4 demultiplexor driver
[ 2537.147988][T17647] ip_gre: GRE over IPv4 tunneling driver
[ 2596.548401][T18233] ip6_gre: GRE over IPv6 tunneling driver
[ 2639.597981][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 2645.421866][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 2650.350855][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 2656.110862][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!