[ 4336.093004][T20374] gre: GRE over IPv4 demultiplexor driver
[ 4338.131888][T20397] ip_gre: GRE over IPv4 tunneling driver
[ 4398.899284][T20971] ip6_gre: GRE over IPv6 tunneling driver
[ 4443.084654][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4449.228552][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4454.412526][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4460.237544][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!