[ 4320.426487][T20332] gre: GRE over IPv4 demultiplexor driver
[ 4322.503970][T20356] ip_gre: GRE over IPv4 tunneling driver
[ 4382.571117][T20930] ip6_gre: GRE over IPv6 tunneling driver
[ 4423.985347][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4429.810347][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4434.802260][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4440.626325][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!