[ 3169.443446][T27884] gre: GRE over IPv4 demultiplexor driver
[ 3170.570316][T27907] ip_gre: GRE over IPv4 tunneling driver
[ 3206.016179][T28486] ip6_gre: GRE over IPv6 tunneling driver
[ 3212.741042][T26177] ip6_tunnel: tep1 xmit: Local address not yet configured!
[ 3220.805033][T26177] ip6_tunnel: tep1 xmit: Local address not yet configured!
[ 3229.892920][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3233.540904][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3236.740912][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3240.453923][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!