[ 4417.466109][T29154] gre: GRE over IPv4 demultiplexer driver
[ 4419.168311][T29177] ip_gre: GRE over IPv4 tunneling driver
[ 4472.423408][T29764] ip6_gre: GRE over IPv6 tunneling driver
[ 4508.381283][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4513.629196][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4517.853177][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4522.845201][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!