[ 3196.719739][T23673] gre: GRE over IPv4 demultiplexer driver
[ 3198.362419][T23696] ip_gre: GRE over IPv4 tunneling driver
[ 3247.027758][T24271] ip6_gre: GRE over IPv6 tunneling driver
[ 3275.733782][ T7484] ip6_tunnel: tep1 xmit: Local address not yet configured!
[ 3280.597099][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3285.526097][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3289.686094][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3294.550088][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!