[ 4396.920475][T29153] gre: GRE over IPv4 demultiplexer driver
[ 4398.730561][T29183] ip_gre: GRE over IPv4 tunneling driver
[ 4446.150659][T29754] ip6_gre: GRE over IPv6 tunneling driver
[ 4478.630840][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4483.430788][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4487.591753][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4492.518793][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!