[ 4325.700931][T20289] gre: GRE over IPv4 demultiplexor driver
[ 4327.821365][T20313] ip_gre: GRE over IPv4 tunneling driver
[ 4389.287594][T20890] ip6_gre: GRE over IPv6 tunneling driver
[ 4431.984038][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4437.807945][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4442.927940][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4449.071937][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!