[ 4338.357869][T21539] gre: GRE over IPv4 demultiplexor driver
[ 4340.398832][T21563] ip_gre: GRE over IPv4 tunneling driver
[ 4402.604493][T22136] ip6_gre: GRE over IPv6 tunneling driver
[ 4446.479396][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4452.431293][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4457.551282][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4463.696306][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!