[ 4362.296293][T29148] gre: GRE over IPv4 demultiplexer driver
[ 4363.999764][T29171] ip_gre: GRE over IPv4 tunneling driver
[ 4414.209326][T29743] ip6_gre: GRE over IPv6 tunneling driver
[ 4452.197268][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4457.317173][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4461.733159][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4466.854132][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!