[ 4470.367180][T29138] gre: GRE over IPv4 demultiplexer driver
[ 4472.090022][T29161] ip_gre: GRE over IPv4 tunneling driver
[ 4521.919746][T29741] ip6_gre: GRE over IPv6 tunneling driver
[ 4555.809600][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4560.737526][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4564.961513][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4569.889527][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!