[ 4392.874632][T29140] gre: GRE over IPv4 demultiplexer driver
[ 4394.696319][T29170] ip_gre: GRE over IPv4 tunneling driver
[ 4446.479185][T29750] ip6_gre: GRE over IPv6 tunneling driver
[ 4481.194641][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4486.634549][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4491.178575][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4496.362555][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!