[ 4326.672693][T20082] gre: GRE over IPv4 demultiplexor driver
[ 4328.860309][T20106] ip_gre: GRE over IPv4 tunneling driver
[ 4390.914791][T20686] ip6_gre: GRE over IPv6 tunneling driver
[ 4434.069393][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4440.149247][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4445.205254][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4451.221272][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!