[ 4385.307982][T29160] gre: GRE over IPv4 demultiplexer driver
[ 4387.061288][T29183] ip_gre: GRE over IPv4 tunneling driver
[ 4436.963986][T29755] ip6_gre: GRE over IPv6 tunneling driver
[ 4466.274837][T29373] ip6_tunnel: tep1 xmit: Local address not yet configured!
[ 4471.199172][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4476.191179][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4480.479176][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4485.471143][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!