[ 4083.285126][T28703] gre: GRE over IPv4 demultiplexer driver
[ 4084.919434][T28727] ip_gre: GRE over IPv4 tunneling driver
[ 4132.795787][T29299] ip6_gre: GRE over IPv6 tunneling driver
[ 4149.509748][T25607] ip6_tunnel: tep1 xmit: Local address not yet configured!
[ 4165.571708][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4170.371679][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4174.531692][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4179.331714][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!