[ 3996.033877][T23594] gre: GRE over IPv4 demultiplexor driver
[ 3998.130665][T23618] ip_gre: GRE over IPv4 tunneling driver
[ 4060.264852][T24193] ip6_gre: GRE over IPv6 tunneling driver
[ 4102.961521][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4109.104477][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4114.096488][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4119.921527][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!