[ 4313.362120][T21520] gre: GRE over IPv4 demultiplexor driver
[ 4315.461227][T21543] ip_gre: GRE over IPv4 tunneling driver
[ 4377.278281][T22115] ip6_gre: GRE over IPv6 tunneling driver
[ 4420.526383][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4426.606290][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4431.918359][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4437.935285][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!