[ 1424.643853][T10797] gre: GRE over IPv4 demultiplexer driver
[ 1425.097651][T10820] ip_gre: GRE over IPv4 tunneling driver
[ 1441.145308][T11392] ip6_gre: GRE over IPv6 tunneling driver
[ 1451.676116][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1453.659080][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1455.580087][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1457.627110][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!