[ 4288.291207][T29198] gre: GRE over IPv4 demultiplexer driver
[ 4289.902423][T29221] ip_gre: GRE over IPv4 tunneling driver
[ 4339.427268][T29793] ip6_gre: GRE over IPv6 tunneling driver
[ 4356.696098][T28547] ip6_tunnel: tep1 xmit: Local address not yet configured!
[ 4373.207975][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4378.135973][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4382.360977][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4387.287988][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!