[ 4133.969822][T28727] gre: GRE over IPv4 demultiplexer driver
[ 4135.581980][T28750] ip_gre: GRE over IPv4 tunneling driver
[ 4183.343974][T29326] ip6_gre: GRE over IPv6 tunneling driver
[ 4216.545585][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4221.408470][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4225.633452][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4230.560458][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!