[ 4319.194939][T20557] gre: GRE over IPv4 demultiplexor driver
[ 4321.224194][T20581] ip_gre: GRE over IPv4 tunneling driver
[ 4383.855989][T21153] ip6_gre: GRE over IPv6 tunneling driver
[ 4425.409504][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4431.169434][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4436.033446][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4441.920441][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!