[ 4015.351348][T30054] gre: GRE over IPv4 demultiplexer driver
[ 4016.981439][T30077] ip_gre: GRE over IPv4 tunneling driver
[ 4065.523375][T30648] ip6_gre: GRE over IPv6 tunneling driver
[ 4094.003473][T29555] ip6_tunnel: tep1 xmit: Local address not yet configured!
[ 4098.675263][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4103.539240][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4107.763254][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4112.563251][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!