[ 4456.631498][T29207] gre: GRE over IPv4 demultiplexer driver
[ 4458.276560][T29230] ip_gre: GRE over IPv4 tunneling driver
[ 4507.215128][T29801] ip6_gre: GRE over IPv6 tunneling driver
[ 4540.968839][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4545.897771][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4550.120799][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4555.049885][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!