[ 4136.769496][T28643] gre: GRE over IPv4 demultiplexer driver
[ 4138.388068][T28666] ip_gre: GRE over IPv4 tunneling driver
[ 4187.307140][T29237] ip6_gre: GRE over IPv6 tunneling driver
[ 4220.773742][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4226.085778][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4230.309620][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4235.365652][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!