[ 4275.996522][T20334] gre: GRE over IPv4 demultiplexor driver
[ 4278.078713][T20357] ip_gre: GRE over IPv4 tunneling driver
[ 4337.970704][T20930] ip6_gre: GRE over IPv6 tunneling driver
[ 4380.340373][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4386.227347][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4391.219280][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4397.236289][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!