[ 4367.997019][T29141] gre: GRE over IPv4 demultiplexer driver
[ 4369.648666][T29164] ip_gre: GRE over IPv4 tunneling driver
[ 4418.066629][T29737] ip6_gre: GRE over IPv6 tunneling driver
[ 4447.641683][T28650] ip6_tunnel: tep1 xmit: Local address not yet configured!
[ 4452.441540][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4457.369563][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4461.593540][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4466.521540][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!