[ 4390.873602][T22414] gre: GRE over IPv4 demultiplexor driver
[ 4392.840134][T22437] ip_gre: GRE over IPv4 tunneling driver
[ 4453.102332][T23011] ip6_gre: GRE over IPv6 tunneling driver
[ 4495.270675][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4501.031618][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4506.407619][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4512.294612][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!