[ 4619.868789][T29163] gre: GRE over IPv4 demultiplexer driver
[ 4621.516274][T29186] ip_gre: GRE over IPv4 tunneling driver
[ 4670.475249][T29764] ip6_gre: GRE over IPv6 tunneling driver
[ 4691.988662][T15243] ip6_tunnel: tep1 xmit: Local address not yet configured!
[ 4704.339338][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4709.331315][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4713.555348][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4718.548319][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!