[ 4278.358459][T29257] gre: GRE over IPv4 demultiplexer driver
[ 4279.933067][T29280] ip_gre: GRE over IPv4 tunneling driver
[ 4328.149190][T29852] ip6_gre: GRE over IPv6 tunneling driver
[ 4352.519340][T26072] ip6_tunnel: tep1 xmit: Local address not yet configured!
[ 4361.286214][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4366.150184][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4370.246223][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4375.110217][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!