[ 4467.655766][T29238] gre: GRE over IPv4 demultiplexer driver
[ 4469.284450][T29261] ip_gre: GRE over IPv4 tunneling driver
[ 4518.123662][T29835] ip6_gre: GRE over IPv6 tunneling driver
[ 4551.936243][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4556.864206][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4561.088172][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4566.016194][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!