[ 4384.351839][T22414] gre: GRE over IPv4 demultiplexor driver
[ 4386.442832][T22437] ip_gre: GRE over IPv4 tunneling driver
[ 4446.828996][T23008] ip6_gre: GRE over IPv6 tunneling driver
[ 4488.755459][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4494.644396][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4499.571406][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4505.331377][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!