[ 4506.770734][T28716] gre: GRE over IPv4 demultiplexer driver
[ 4508.448805][T28739] ip_gre: GRE over IPv4 tunneling driver
[ 4559.074158][T29312] ip6_gre: GRE over IPv6 tunneling driver
[ 4593.759342][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4598.879278][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4603.231260][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4608.287247][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!