[ 4274.036569][T20146] gre: GRE over IPv4 demultiplexor driver
[ 4276.082062][T20170] ip_gre: GRE over IPv4 tunneling driver
[ 4337.377463][T20744] ip6_gre: GRE over IPv6 tunneling driver
[ 4380.080328][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4386.096220][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4391.151226][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4397.231235][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!