[ 4296.253556][T20100] gre: GRE over IPv4 demultiplexor driver
[ 4298.360525][T20124] ip_gre: GRE over IPv4 tunneling driver
[ 4361.708478][T20698] ip6_gre: GRE over IPv6 tunneling driver
[ 4404.485557][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4410.436458][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4415.556481][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4421.636472][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!