[ 4474.455085][T29203] gre: GRE over IPv4 demultiplexer driver
[ 4476.185884][T29226] ip_gre: GRE over IPv4 tunneling driver
[ 4526.397724][T29798] ip6_gre: GRE over IPv6 tunneling driver
[ 4556.124378][T15293] ip6_tunnel: tep1 xmit: Local address not yet configured!
[ 4560.987370][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4566.235378][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4570.587364][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4575.643341][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!