[ 4308.450491][T20232] gre: GRE over IPv4 demultiplexor driver
[ 4310.468687][T20256] ip_gre: GRE over IPv4 tunneling driver
[ 4371.191710][T20829] ip6_gre: GRE over IPv6 tunneling driver
[ 4412.894699][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4418.654582][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4423.582561][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4429.343556][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!