[ 4420.257330][T29164] gre: GRE over IPv4 demultiplexer driver
[ 4422.003142][T29187] ip_gre: GRE over IPv4 tunneling driver
[ 4474.597918][T29761] ip6_gre: GRE over IPv6 tunneling driver
[ 4511.701892][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4517.076819][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4521.428822][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4526.484915][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!